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Collaborating with the Beast

An unlikely alliance appears between Beast and… Beast?

Hank groaned.

His body hurt. His limbs were sore, and from his proprioception, he was dangling from his wrists and legs. No… His back and fur told him he was pressed against a wall. His face was hurting, and the difficulty in moving his slightly feline mouth indicated he had received a brutal hit, enough to cause swelling.

Even then, it gave him little to no clue as to what had happened.

He had been working in his lab on another virus to catalyse the activation of the X-gene. Of course, he’d been working secretly in one of his many bases, surrounded by dummies, which were still active last he remembered.

It was possible he had not noticed those bases going dark, or someone had circumvented his security. But it was unlikely such people had planned to keep him alive. Still, he kept his eyes closed while he moved his fingers ever so slowly… Ever so steadily so that his claws reached for where the lock ought to be.

“It is remotely activated. There is no lock to pick,” said a voice. Familiar. Similar.

“Ah. I see? Are you afraid of yourself?” asked Hank, with that same voice. And he opened his eyes… On Hank.

Hank and ‘Hank’. Two selves faced one another, though the one attached had a darker fur coloration. And the free one looked almost twenty years younger.

To the Bystanders, Hank was Dark Beast, someone hailing from the universe where Apocalypse managed to control humanity and subjugate it. ‘Hank’? He was the pale copy, Beast, that acted demure and wanted to work with the pigs.

Yet, it was Beast who held the key.

And Dark Beast, who smiled greedily at his counterpart.

“Silence? Pleaseeeee. Do not play such mind games. You captured me for a reason. State what you want and the conditions for my collaboration,” said Dark Beast, dangling from his bondage with only his pants covering his dark-blue covered body. Much like his younger counterpart, he had a feline nose and cheeks with golden eyes… And hair that sprouted from his scalp and grew along his back like a mane.

However, the dark blue had some tinges of gray along what would be his moustache and beard.

And Dark Beast possessed, well, a subpar physique compared to his younger and strapping self.

Silence again.

“You-“

“I need your help for a cure,” said Beast, producing a remote he pressed. With a click, the cuffs and straps released, dropping Dark Beast on the pristine white floor of… A lab.

A perfectly adequate scientific lab with all the equipment necessary to analyze samples, to simulate results, and even a few lab coats.

One of which Dark Beast went for after getting on his feet, acting as if being released was nothing.

It was also a way for him to observe the place and notice the apparent lack of a door.

“Secret passage?” asked Dark Beast.

Silence.

“Teleportation, then.”

There would be no chance for Dark Beast to escape unless he cooperated fully. He approached, his steps heavy as he had his coat fitted and saw what Beast observed in a microscope.

Finally, Beast spoke.

“You will help me create an aerosol version of a cure. The compound I use is far too unstable to be released; it gets oxygenated quickly and degrades in mere seconds.”

“What is the virus, this time? Sublime? Another sibling? A poison released from one alien invasion?” asked Dark Beast, deriding as he took Beast’s spot and observed the virus itself.

Custom-made to infect humans, from what was the reaction when exposed to human cells. But its appearance was crude, its movements typically too slow, it…

“Human-made.”

“Human-made?” asked Dark Beast, arching an eyebrow.

“Entirely human-made. It was a variant of the Flu. The laboratory handling it failed to comply with the containment measures.”

“How many people?”

“At least ten thousand at the moment.”

“Ten thousand? The hospitals must have it easy,” commented Dark Beast, peeling his eyes back from the Microscope to glance at Beast.

“No. It focuses on the mutants, even those who are dormant. Most are immune, but those targeted become highly contagious.”

“Hah! That’s why you need me, then,” commented Dark Beast. “I want my freedom if I help you.”

“No.”

Beast’s attitude was clear, more so as he leaned against a table. He, too, wore a lab coat.

“No?”

“You will be confined to house arrest, ready to help when we need you.”

“That’s what I get for my collaboration?”

“You can also get decapitated.”

“No thanks. I feel hurt whenever I think about it,” said Dark Beast, scratching the marks around his neck. “House arrest, then. You know I will try to escape.”

“You can,” scoffed Beast, already going for a fridge on the side of the lab. One that certainly did not contain food.

“Good. Then what else? Three meals a day. Protection from any decapitation. No mind-peeking. And you listen to my orders when it comes to preparing that solution.”

Beast raised a finger each time as he counted.

“Yes. Yes. Yes. Maybe, if your orders are not against my directives.”

Dark Beast grimaced. Beast gave in too easily, but still. Dark Beast nodded.

“Good. I have more requests. But for the moment, I need samples of the viruses I worked on in my lab.”

“We already have them,” answered Beast, smacking the fridge. “Get to work.”

-

One aspect Dark Beast liked about his counterpart was how easily they worked together. Tense and cautious, but they worked well.

One backstab attempt, like poisoning Beast’s food or trying to sneak into his bedroom, adjacent to the lab, did not hinder their qualitative cooperation.

In the end, they made rapid progress toward that ‘cure’.

Enough for Dark Beast to feel relaxed at the quasi-freedom he was about to get when he stepped out of the decontamination showers, enjoying the steam sticking to his body. He strolled around, exposed as in his birthday suit, towards the coat rack.

“Well. I have a question, Hank”, said Dark Beast, putting the coat on. However, he wore nothing beneath it and didn’t button it. For the moment, they didn’t have to play with chemicals, and so he was safe to walk around without much protection.

“Shoot,” answered Beast, stiff while pressing buttons on the computer. This time, he had his X-Men suit underneath. He seemed busy simulating how their virus, the best vector they found, would propagate among the population and vaccinate them.

“How did you find a way to sneak into my laboratory?”

“Since you are like me, you always have a secret passage that leads outside. I planned for this when we checked your dummy bases. Only one had a secret escape that was maintained.”

“I am that predictable?” asked Dark Beast, sitting on a chair by his counterpart.

And Beast looked back at Dark Beast, up and down… Even down between Dark Beast’s legs before he snarled.

“Put something on.”

“You didn’t answer,” said Dark Beast, sitting back and widening his legs, letting his counterpart see that, with age, their mutations made them… Bigger.

“You are predictable. Much like how now, you are trying to distract me so you can make me fall from the chair and strangle me.”

“True.”

Dark Beast no longer reclined but still smiled, keeping his legs spread open.

“And if I offer something less violent and more direct?”

“I’d tell you, we must have damaged your brain when capturing you,” scoffed Beast as he signaled Dark Beast to approach.

With one index finger, Beast pointed at one screen and the simulation of the vaccine’s dispersion. Within a few weeks, considering the constant propagation of the Virus through various means, it would reach all continents. Maybe even Krakoa.

However, as Dark Beast slid closer… Beast’s other hand drifted… It went from the keyboard to his own thigh. Then chair’s edge. Then, Dark Beast’s chair. Then, the thigh… Then right onto the apple-sized testicles, covered with damp blue fur. And then, the throbbing, engorged, but not yet stiff organ.

A steady progress, neither of the two ignored. And steadily, Dark Beast’s cock started to stiffen and throb. And release a fat glob of precum when the foreskin peeled back to reveal a dark-purple tip: swollen, mushroom-shaped, and with that frenum pulling on the foreskin.

“Why can’t we work together?” asked Dark Beast, leaning on the desk while his counterpart started to stroke him… Slowly. Steadily. But the fingers were dexterous despite the claws.

No, more than that, Beast knew what Dark Beast liked when it came to masturbation.

Quick movements without stopping, the fingers on the underside, and a slight squeeze on the right side of the corona, right underneath the glans.

Dark Beast huffed, smiling smugly to himself while closing his fingers.

“Because last time we were together, you stabbed me with a mortal poison that nearly stopped my heart.”

“You would have found the solution by yourself. I had to slow the X-Men.”

“It hurt.”

“Like it hurts when you capture me by using force.”

“Even if we coerced you, you would have used something like a clone.”

“Please…”

Dark Beast’s scoff was unfeigned. Neither the moment as he leaned forward to catch Beast’s lips, to kiss them. To feel his own lips against his, to taste his saliva, to savor the tongue, as wide as his, prod back and fight back. They were fighting, though only Beast held a club… And one club that was almost as thick as an arm when the two mouths touched, the tongues tangled, and Dark Beast’s hand reached for Beast’s neck.

“Fu… Fuck,” groaned Dark Beast, humping the hand that was so tight around his cock, but in a good way.

“Language.”

“Fuck… language,” hissed Dark Beast, rushing into another kiss with his counterpart.

The movements went fast and more intense, the fingers pulling on the glans through the frotting. And Dark Beast felt his legs hurting from tensing up so much. Lack of exercise. But still, it felt good as even his hands were feeling heavy… And his heavy ballsack was getting pulled by his abdominal muscles.

Extremely good, when his prostate ached and burned… And his urethra started to sting and burn.

“You are good at this,” grumbled Dark Beast, pulling free from the kiss.

“Shut up.”

“Language.”

But it was the last thing Dark Beast said before he was silenced and gagged by the kiss while Beast’s other hand went on Dark Beast’s nuts. They passed over the dark-blue nuts, squeezed the oversized testicles… And with a firm squeeze, the thumb grazing the urethra, Dark Beast reached his climax.

His chair tottered but didn’t fall while he threw his weight and head back, followed by Beast.

He didn’t fall as his legs cramped and feet curled, the toes almost all touching, while his cock spasmed… His prostate clenched… And a jet of cum hit the nearest wall.

Once. Twice. Thrice.

The shots were intense, steamy, reeking, pungent. They filled the room with bestial musk as Beast continued to stroke… He continued, even when a fourth and fifth jets spurted free.

Those were less intense, less impressive. Nonetheless, still steamy and hot and musky when Beast released that aching and limpy cock on those nuts.

The cum-coated fingers, however, were still at work.

They ascended, not even going to stroke Dark Beast’s belly or chest. They went directly between their lips, breaking the kiss and the strands of saliva in between… just so the two could lick and taste Dark Beast’s cum. So that they could fill their mouth with the salty and slightly alkaline fluid.

Fluid they shared through a kiss, unable to stop the tangle of tongues and lips touching. Whether Dark Beast or Beast, none seemed to be willing to stop this as they kissed… As they had their hands running over the body, smearing cum on the blue furs and ripping the X-Men suit apart.

“It costs an arm to produce those,” groaned Beast, letting his counterpart turn the suit into tatters.

“Good thing they keep you protected. The color choice leaves much to be desired,” commented Dark Beast.

“Shut up.”

One hand landed on Dark Beast before the oldest of the two had to bend over. Forward. To inhale the strong perfume coming from the blue fur while his lips descended along the way, grazing the fur, kissing it, almost… Worshiping it on the way down.

“Pheromones,” he finally mumbled, half-slurred. “Nasty trick.”

“You made an aphrodisiac of your cum,” commented the younger self.

“True,” chuckled Dark Beast, feeling somewhat amused. No, satisfied as they exchanged such caustic words. And as Dark Beast’s mouth descended along, and the claws shredded the fabric ahead, the oldest had his mouth soon occupied by the springing blue manhood.

It was similar to his but smaller, less veiny, but just as musky.

Just as delicious as he kissed the tip and… Smiled.

“There’s one way to make it more enjoyable.”

“Injections?”

“Injections,” said Dark Beast, abandoning his counterpart’s erection but with a kiss.

Oh, the two were on the same bandwidth. And though the desires were hindering their movements and clouding their judgment, the two worked as one.

With their extensive knowledge, the database a specific mutant had created, plus their experiences with their own mutation, the two McCoy had no issues producing multiple vials of drugs they held out when they entered the private quarters, deciding to take them while in Beast’s bedroom.

“So? Is that all you created?” asked Dark Beast, pulling one vial out of three. A purple-colored one with a mere line etched on it.

“You created just as much,” said Beast, picking his own choice. Green and with a cross.

“But my work is far more refined,” continued Dark Beast as the two were going down on the bed, holding the vials and needles for the injections.

“Your work has been brutish and criminal,” commented Beast, still going for another kiss; the remnant taste of cum was almost gone.

“Just like what we are doing? Show me your perineum.”

“Your testes.”

With that, the two began to draw up from the vials and presented the needles, each to their counterpart.

It was a play, perhaps a game of chicken. Or a way to make it all the more interesting. It could be poison. It could be a drug to weaken their mutation. It could be anything that wasn’t linked to their inner and lustful desires.

Still, Dark Beast hissed when the cold needle was planted inside one of his testicles, the green liquid. Then… The other. In both, it left him a sensation of pain that was echoed in his abdomen. A sensation of icy running water made him hiss as much as his counterpart when the purple liquid was injected into the perineum.

And soon, they hissed and huffed together, their mouths practically pressed together, their nose pressed together. And finally, their tongues were licking one another.

“Partial sterility and flavorful preseminal fluids,” groaned Dark Beast.

“Hyperspermia and growth. Enjoy.”

They kissed, they huffed, they blew on each other’s faces. Then… Beast moved. The strongest, most dexterous, and youngest of the two moved without a problem. Soon, the two were looking at each other’s genitals.

Dark Beast with the youngest and smaller genitals. And Beast with the oldest and biggest genitals.

Biggest genitals that were already throbbing and seemingly growing. Dark Beast huffed and groaned, his legs spread to give his scrotum some room… Some space while the cold drug seeped inside the tissues, altered them.

The sensation was like an inner pressure that kept growing. And since the nerves end where teased down the testicles, Dark Beast felt the growth and pressure right to his abdomen as he hissed and groaned.

Beast, too, was a hissing and grunting mess. He had to be when he sensed his prostate clenching and the drug started affecting the deep layers of his seminal vesicles. It must be like a fire, or warm needles piercing the inside of the groin.

Dark Beast might have been taking it easy, though he hissed when feeling Beast’s fingers stroking his fuzzy and throbbing testicles.

“You… Could have added a numbing agent,” groaned Beast, his voice cut through hissing breath.

“I didn’t. It would ruin the fun”, said Dark Beast, nevertheless noticing his counterpart’s cock was not soft. It was not entirely hard… But it was swollen. That was enough.

Enough for the oldest to decide to take the cocktip in his lips. To suckle on the corona, to have his cat-like tongue dancing on the mast, and poke at the veins. Underneath the touch, the organ answered in kind by tensing, throbbing, and growing stiff. But also by releasing one droplet: alkaline, a bit salty. But then… Within the second, softer.

Like the protein pastes Dark Beast had grown to love, the salt perfectly balanced the umami and the slightly tart aroma. It was not real, though. Only a hallucination produced by the drug-laced precum seeping into his tissues.

But Dark Beast swallowed the flavorful liquid nonetheless, gulping it down until that shaft throbbed between his lips, right by his tongue, at the edge of his uvula.

“It still hurts,” commented Beast, similarly handling Dark Beast’s cock.

Though he wasn’t taking the length in his mouth, the younger one was eager to rub his face against the organ and, through the glands placed around his cheeks, began to cover the organ with a mix of musk and pheromones.

A dangerous mix that seemed to permeate the room, ever so slowly. And maybe to affect Dark Beast in more ways than expected when his groin was heating and tensing faster than what Beast’s ministration ought to produce.

He was already on edge, and it was solely from licking, kissing, and a bit of stroking those hefty balls that continued to grow and grow, the throbs abating but not the growth as it left the blue scrotum taut, each orb almost round like a balloon.

“You are devious. I’m getting close,” said Dark Beast, unafraid to leave his counterpart’s shaft unattended. Though, he had those balls massaged and squeezed. He rolled the tiny orbs in his hand.

“There was a rule against it?”

“Not at all,” said Dark Beast, chuckling as he returned to the font of fluids he licked, sucked, and sometimes nibbled solely to elicit a wince or groan. But there was no return of such violent favor… Truth was, it seemed Beast was content in stroking and licking back.

Even those lips were, at most, pressed against the tip but never opening to usher the cock inside.

“Hrmph… Take it in!”

“You are too big, you could hurt my jaw.”

“We know this is false.”

“Are you certain?”

Dark Beast huffed at the remark, but still had one hand going down his own waist and thigh, reaching in between to find Beast’s face and hold him by the nape. Or so it would be if not for a rough smack and Dark Beast having to withdraw, grunting.

Nevertheless, he was satisfied when the youngest of the two began to usher the cocktip inside his mouth and suckle on it. Suckle on the nectar that was practically about to burst inside that mouth. And…

Burst? Beast ejaculated?

Surprised, Dark Beast swallowed the flow going inside his mouth, unable to do anything but slurp on the sweet nectar that was given through the groin’s contraction. The lips remained firm, keeping that firm seal that stopped the precum, so sumptuous, from going anywhere but the scientist’s mouth.

And he swallowed, huffed, groaned… Savored the pristine and unbranded liquid offered to his lips… He gulped, each mouthful stronger than the former as Beast kept cumming… And cumming… And cumming.

Soon, that perception was cut short by another wave of sensation.

Deep within his abdomen, right down his groin, the fire that had plagued Dark Beast was growing bigger. He could not stave it off, halt it, smother it. The sole result was then to restrain himself, but such restraint was loose. Loose enough that with one lick right on a sensitive spot, Beast pushed Dark Beast over the edge.

Dark Beast stumbled into the abyss of pleasure, his hips weakly humping in a primal reflex while his abdominal muscles tried to pull on the scrotum. Alas, the sole result was to drag them, ever so slightly, closer to the Mutant’s groin.

But nothing more. All the while the prostate clenched and a shot of warm, sticky, oozy, and extra dense cum poured into Beast’s mouth.

It seemed that, again, the two were lost in getting their fill of fluids. In swallowing as much liquid as they could, in filling their stomachs until each new gulp ached and hurt. Until the abdominal muscles in Beast’s case were smoothed. And the slightly paunchy belly, in Dark Beast’s case, started to go rotund like a pregnant individual.

The eyes rolled. The lips curled into a thin smile. And the hands, twinned, went on the testicles to rub them, whether small or big. To encourage the organs to produce more fluid.

So much fluid, they would surely be sore and dehydrated as a consequence. But neither seemed willing to stop.

That game of chicken continued. And both had the other in their grasp, holding tightly on the genitals or the teeth, awfully close to the flesh.

Both could bite. Both could crush. Both could fight. Both could leave long-lasting wounds on the other.

But despite their difference in morals, despite the hatred they had for one another, the resentment in each other’s actions, they did not.

Hence, the play continued.

Beast’s fingers dug deeply into Dark Beast’s genitals, showing the liquid had not only made the testicles bigger but also more pliable and enduring to the abuse. It also made them able to accumulate liquid Beast squeezed out, making the flow hit Dark Beast’s prostate and sending him again cumming, tensing, and hissing.

But Dark Beast also had a weapon as his tongue teased the urethra, finding the entrance far easier to tease over time. Through enough nudging, Dark Beast’s tongue, elongated, went down his counterpart’s cock. It touched the velvety walls, savored the washed-down flavor of piss, until the tongue was right at the base while stroking the prostate’s inside with the spines.

The result was obvious with Beast crying, moaning… Hollering too as the prostate clenched and another jet of watery precum hit Dark Beast’s tongue.

They were not done. Not done in showing that their formulas they produced had been more intricate than indicated before. They played a mind game in which neither of them desired to lose.

But it had to… They had to… They had, as they were growing weak and weaker… Almost at the exact second, they tapped out. Their egos wouldn’t allow them to lose, but again… they had to. And with a growl, the two rolled away from the 69. The two ended sprawled on Beast’s bed, with the fluids dripping all over their groins and the sheets… Whether cum or precum.

“Why do we have to do this?” asked Beast, his voice hoarse.

“Because one has to prove their superiority over the other. In our case, on which is the best version,” chuckled Dark Beast, clutching something in his fingers.

“We could be a couple and stop those petty fights. Become more than our sums.”

“We could. Or we could continue… Second round?” asked Dark Beast, presenting a bright blue liquid… Echoed by his counterpart with a brilliant neon pink.

“Second round.”

Collaborating with the Beast 2

A new project between the Beasts?

With a growl, Dark Beast stroked his nape. One mug of coffee in hand, he felt his balance being disrupted by his restless feet. Not that he could control it when he felt like he was about to burst.

Again, another play. Another toy, as the older version of Hank McCoy, took another sip. Even if he was feeling so needy and about to burst, he couldn’t stop from sipping that coffee… And snarl, then grimace.

“Why is it so insipid?” asked Dark Beast, not even hiding his disdain and frustration.

“Teleportation. I do not know why, but it affects the beans. And I have yet to make a plant take root in our laboratory.”

“Shame. You can be a terrible host when you will it,” said Dark Beast, scratching his lower belly to ease the pain. “Would you?”

“I prefer to see you squirm that way. It is oddly fitting.”

“Unless you want me to have a kidney failure. And I helped you.”

“As if.”

Still, Dark Beast hissed as he watched his younger counterpart kneel beside him.

And with dexterous fingers, Beast started to play with the contraption attached to Dark Beast’s cock. No… To the contraption that was firmly lodged within his groin and genitals, to that catheter whose controls were outside.

A catheter whose presence currently locked Dark Beast’s bladder and made it bulge like a balloon and press on Dark Beast's prostate… Making him feel his cock engorged. Though again, the catheter, firmly lodged, inside didn’t help.

Dark Beast huffed and grunted, still sipping his mug of coffee with careful attention before he felt… That tiny ticklish release.

“Ah… Finally,” grunted Dark Beast, his traits relaxing as well as his attitude. His lips curled into that same grin, and his shoulders dropped. Even his ankles met with the ground as he was no longer tiptoeing from the tension.

A few droplets. Even a few droplets out were bringing relief, such satisfaction, such joy. The pressure lessened as Beast opened the valve slowly. Steadily. All the while, Beast’s nose was right by the cock, watching the organ pointed to the toilet… And then nudging it with his tongue.

“Go on. It might taste even better than our coffee,” sighed Dark Beast, not ashamed at all from taking a piss in front of his younger self. Or to have him take one gulp of the acrid, steamy, and quite yellow liquid. A flow that continued to grow while Beast squeezed Dark Beast’s bladder.

It did hurt. But at the same time, the relief was practically divine.

The flow was going out, sometimes powerful, sometimes not, all depending on whether Beast played with the control. But the Mutant continued to lick.

“It would be unfit to consume it,” added Beast, though he was consuming it.

“Or not. Your last batch could be in my system,” said Dark Beast, shaking his mug and watching it being half-empty… A despicable vision, he snarled at while Beast opened the catheter fully and allowed the contents of Dark Beast’s bladder to end in the toilet, acrid and odorous.

But it was done, and that same smell clung to Beast’s face as he stood up after locking everything back.

“Next drain this evening,” said Beast, kissing Dark Beast’s cheeks.

“You reek,” grunted the oldest… before he smiled and reached inside Beast’s coat, right for those hefty jugs. “Come closer.”

A deep sigh, the eyes rolling, and Beast approached, letting Dark Beast pass two fingers on the aching and swollen breasts, on the hard nipple that was growing redder from the pressure… And pinched it.

Instantly, a white and constant jet flew out, and Dark Beast continued to pinch while refilling his mug.

“Couldn’t you use your own?” asked Beast, pointing at Dark Beast’s sizeable breasts, too. Another of their little plays.

“I prefer yours. It’s sweeter. Plus, I am sore from this morning. Perhaps you need a reason for this?”

“No. I don’t.”

Still, Dark Beast chuckled and shook his mug, trying to mix in the remnant of coffee with the lukewarm milk while he reminisced about their last night together. A bit of catheter play for the evening after a rough day, some lactation-induced fun… And yet, Dark Beast woke up thirsty… And certainly sore from having his nipples nibbled all night.

“Sure. What’s today's project, then?”

“Ultron?”

“Who?”

“A what.”

“The robot?”

Beast nodded while Dark Beast tagged along, passing through one hole that had been dug between the quarters and the lab. It wasn’t appreciated to separate fun and work… Plus, Dark Beast preferred to drink his coffee at the lab.

More so now as they were facing, both naked except for the lab coats, the apparent corpse of a bot. A sleek machine, all in adamantium, with sharp edges and angles. TThat body wasn’t human-made, as it had been stripped of everything that would make the robot look more appealing. Those antennas were optimized for communications, but threatening on each side of that face. The lack of lips would make facial expressions harder to read, but speakers were all the robot needed.

Then, there were the limbs, stripped of excess material.

“And so what? Mechanics and Robotics are more your domain”, commented Dark Beast.

“Stark and Pym abandoned it. But I got some help in reprogramming him back at the base.”

“Wait. Break. Pause,” said Dark Beast, putting the mug down. “I was supposed to work on a cure. And now… This?”

“You are under house arrest. I can call you for any projects. Plus, you might learn something or two,” scoffed Beast, rogue.

Another scoff came from Dark Beast: “Fine. So. What is so important about that robot?”

“We have this Ultron reprogrammed, but most of its technology uses nanites.”

“Hmmm?”

“We have been using your strains to propagate the cure. But if it happens again, we could use a nanite swarm instead.”

Dark Beast grimaced at the idea, watching his counterpart handle the robotic body… Lift one arm.

“It does sound like a bad idea. Or a plague you cannot control.”

“Well. We could also reprogram him for something else. And that, you might agree on.”

Dark Beast leaned back against a desk, crossing his arms. And grimaced. Then growled… Then shook his head. All before he scoffed.

“No. You are thinking that?”

With a finger, Beast pointed at the robot’s bare crotch, having that conniving smile.

“If you help me, it will be faster and we will reap the reward together.”

A scoff, but the arms uncrossed.

“Only if I can add more to the design, too.”

“Yes. But no weapons.”

“No weapons, assured,” said Dark Beast, grinning ear to ear as he was to join this stupid and yet exciting project.

One project involved rebuilding and redoing Ultron’s entire code.

At least, that part was Beast’s. Dark Beast was more into the schematics and fixing Ultron’s design. They had to get material teleported: biomass, plastics, silicones, more microchips than needed… Overall, even a few motherboards needed customization to fit within the schematics.

It was a tedious effort during the days, importuned by another issue, another plague, another type of weapons the two had to investigate. And the nights, spent in play.

But the day came. Dark Beast and Beast, each holding a tablet, stood above Ultron, watching the robotic body limp… And magnificent. They had covered the spindly metallic limbs with a mix of silicones and artificial skin that made the hands and legs far more balanced. They had added that same balance of synthetic fibers and muscles to the chest, all the while connected to Ultron’s nervous system so the reprogrammed robot could control them.

The face remained the same, though parts had been added to make him look a bit bulkier, and to compensate for the square shoulders and defined biceps and triceps.

But again, the main focus for the two horny Beasts was lower. Down along the belly, down the abdomen. And right between the Robot’s legs, as the body was shaken by spasms.

“Almost online and no hardware error,” commented Beast.

“You thought you’d fail? You are not me for nothing,” scoffed Dark Beast, crossing his arms and waiting as the limbs moved, one finger at a time… And Ultron sprang to life, sitting down.

“STARK! WHERE AR-… Where am I?” asked Ultron, his red eyes scanning the scene, the lab. And then focusing on the two Mutants. “Anomaly. Two Hank McCoys subject… Must-“

“Ah. Let me fix that,” commented Beast, keying a few buttons.

“Beast. Dark Beast,” said Ultron with a tense synthetic voice. “I await your orders.”

“It is imperfect.”

“We can work on the issues later. Ultron. What are your directives?”

“Help… Help Hank McCoy in his research. Fulfill his every desire.”

Dark Beast’s eyes noted Beast’s satisfied grin while he typed on the tablet. Then, the eyes drifted. Not on the body, falsely muscular. But on Ultron’s genitals. Made with all sorts of polymers, the organ had been made to be as lifelike, in shape, as possible. The mast was constantly stiff, though, with an almost pulled-down foreskin that couldn’t even cover the brilliant orange and bulbous tip.

The shaft itself wasn’t veiny, but the texture was far from sleek. Early on in the design, Dark Beast had desired the fake skin to form folds when he stroked it. And such, the skin itself was loose and had a rougher texture than most expected.

More than that, the pole’s sheer size made it almost as big as one of Ultron’s forearms.

And then… There was the matter of storage.

Since the two wanted some ‘messy fun’, they had to find a solution. The final result was a greasy composite, a grey goo, in which nanites would be stored. The resulting taste was quite bland, but it imitated the texture of cum. Moreover, it could serve as a culture for the nanites and their growth.

Such nanites could then be used to repair Ultron, for scientific research, or even spread compounds, much like a virus does.

But at the moment, all that goo was stored in Ultron’s testicles. In two heavy pouches almost as big as grapefruits. But without the organ structure. Hence, at rest, the orbs formed like wide dollops only constrained by the fake scrotum’s rigidity.

But what a sight.

Beyond that, the scent that came from the organ was a blend of pheromones and musk, the two scientists had refined to make it agreeable. To them. To anyone who smelled it. And even now, as that rigid cock was out and open, Dark Beast had to fight his thirst.

“What do you remember before your recent shutdown?”

“I was fighting Stark and Pym in the base for… For…”

“For?”

“Data unknown.”

“Hmm. A part of your memory has been corrupted. But it shouldn’t block your current programming,” said Beast with a smile, giving Dark Beast a thumbs-up.

“Yes. What does Hank McCoy desire?”

“… Fuck. Fuck us up,” said Beast, grinning even when his counterpart reached to smack him.

An action stopped when Ultron stood up, flew… And gripped the two by their napes, with a speed and accuracy that was frightening. For a second, the two were reminded that the bot had broken many necks on the way to Stark and Pym’s lab.

For a moment, the two watched Ultron’s red eyes focusing on them… And then, a smile seemed to curl on that mouth.

“Please. Let’s proceed to the bedroom.”

It didn’t take long, then, to have the two versions of Hank McCoy on the bed, their lips and faces rubbing against the synthetic cock. The smell coming from the fake skin was one of the most addictive creations Dark Beast had produced. The smell, even when he was far from it, would keep tingling his receptors and maintain him in a state of high until he was back to the organ… In which that state would skyrocket and be completed by a heat spreading across his body.

That part, it was an emergent property of the pheromones. But one the two Hanks enjoyed as they licked the massive pole, not even daring to suck it, while Ultron’s softened fingers dug into their assholes, all at once.

“Is this satisfying enough?” asked Ultron, the voice calm and collected. It was far from the constantly irate personality the Robot oozed during combat. And far from the enraged cry the Robot would shout if he heard he was about to be a sex-bot for two horny Beasts.

But no. He had that solicitude that almost made it easier for the two to accept that they had turned a genocidal and maniacal Robot into a sex-bot.

“Hrmph… Deeper against the prostate. It is numb due to the last injection.”

“Go closer to the sphincter. It needs more attention.”

Dark Beast and Beast’s satisfactions were perfectly visible in their traits. If accounting for their feline faces, it was almost expected they’d purr while sucking on Ultron’s thick and massive cock, feeling the silicone throbbing from the goo pumped within… And dripping all over their blue fur, coating them in gray.

As expected, the taste was bland, as they commented. But it suddenly became more tasteful as the two licked and grunted.

“Salty? How is that possible? There is no salt in the goo,” groaned Beast.

“I have adjusted the nanites program to make them far more palatable to you.”

“You can already do that?” asked Dark Beast, arching an eyebrow.

“Yes. Once I was linked to their system, I was able to take control and estimate the best way to satisfy my masters.”

“So… You can do more than salty?”

As he said that, Dark Beast licked Ultron’s cock. And his eyes widened as, with each lick, there was a different taste. Tart like an apple. Salty and umami like a pork chop. Bitter like over-peppered steak. But the tastes changed and became more luscious as Dark Beast licked, and his favorite taste appeared: protein bar. But even better, the balance of flavor was perfect for his tongue as he licked that cock again… And again… and again, smearing that gray goo all over his face, nose, and tongue.

“Do not change the taste for me!” ordered Dark Beast, his gaze snapping on Ultron.

“As requested.”

“Same for me. Oh… It’s so good. I could eat it all day,” moaned Beast, licking the cock too… And gulping the goo like it was no problem, somehow.

“It is advised not to consume too much fluid,” said Ultron, his voice calm.

“He’s right. Maybe we should be fine with what we have,” said Beast, grumbling.

“Or… hrmph… Maybe we could make his cum better… What do you think, Ultron?”

“Anything as you require.”

A glance exchanged, and Dark Beast grinned at Beast, who huffed and looked away… Only to him and Dark Beast bit their lips when Ultron’s fingers began to emit little shocks that coursed through their groins, hitting their nerves square. It was the right frequency, the right intensity, the correct position… And the two mutants were soon digging their claws into the sheets. They mewled, pathetically. They cried. They kicked their feet. But Ultron’s fingers were locked inside them, and the two could even hope to remove themselves as Ultron hit them with shock after shock… Orgasms after orgasms… Shot after shot that painted the sheet in musky white.

-

“Oh, that was something,” groaned Dark Beast, whispering directly to Beast's mouth as they kissed. It was just easier to kiss and share that instant as they were naked by the lab’s unique toilet, with only their lab coats on. Lately, since they had little work to do… The two were naked, and it wasn’t like Beast’s clothes had been ripped to shreds weeks ago.

However, this time was different as the two’s mouths met and kissed, each other licking the chops and the nose. There was cum all over them, and the two were all so eager as they stroked their cocks…. Dark Beast stroked the youngest. And Beast stroked the oldest.

Together, they were gripping their cocks and grinding their hips against each other, hard and stiff, stuck in between.

“Have you been good boys?” asked Ultron, his voice artificial but having some hints of malice. A few removed shackles allowed him to fulfill a more dominant role in the trio they formed.

“Yes… Sir,” moaned Beast, licking Dark Beast’s chops.

“Yes, we were,” confirmed Dark Beast, snarling while the pressure in their lower reaches was getting more arduous to experience.

And then… As the Robot’s fingers approached their dicks, as the hands went on the erect and rigid cocks, the index slipped right inside the urethra… And stretched, expanded, turned into a rod that teased the inside of the McCoys’ cocks.

Their kisses became more abrupt, more brutal as the fingers slipped away, but thin rods joined them to the growing and enlarging tubes wedged inside the Mutants’ cocks.

Cocks that were starting to bulge obscenely from the metal that continued to grow and expand, forcing their organ to reshape.

And then… As the cocks bulged obscenely… The furthest part of the tube connected with the locks attached to the Beasts’ bladders.

One second, they mewled and almost cried.

Their bladders were so full, their balls too. But only the former were allowed to be released as the catheter inside opened and two yellow flows went outward. They flowed fast and quick as the two kissed, and almost cried, relieved by the pressure that had made their bladders grow obscenely.

There would be no damage, Ultron had ensured, and the lab results were double-confirmed. Hence, it was with a double sigh that the two Beasts were taking a piss, only a few droplets at first before the steamy flow poured out.

“Y-Yes…. So good.”

“Thank… You, Ultron,” added Beast, his excitement unfeigned as they kissed again and stroked themselves. “It feels great.”

“Indeed. You have been… Two good boys,” nodded Ultron, marking a pose as he watched the two Mutants getting their kicks off the release… As well as noting the graying coloration from the urine as the last droplets landed in the bowl.

The pungent scent was strong and there, but soon… Soon, Ultron’s scent overtook and made the two salivate.

“Do we have a project today?” asked Dark Beast, wiping his mouth as he entered the lab, his cock still hard and pointing forward due to the tube lodged within.

“No. We have nothing.”

“What else should we modify, then?” asked Dark Beast, glancing at Ultron, who sat down on the bench.

From the outside, the Robot remained unchanged, but the two Mutants had been improving it.

The nanite production had been increased. The goo was more nutritious and fitting as an environment for the nanites. The nervous system for Ultron had entirely been linked to his genitals, and the IA was receiving positive feedback whenever it used that cock.

More effort had been made to allow some shackles to be removed when needed.

But even more efforts were made to examine and diagnose Ultron’s systems whenever he was on the table without one of the two Mutants giving him a blowjob. Who knew they could become so addicted to it?

“What else to add?” commented Beast again, watching Dark Beast licking and worshiping Ultron’s cocktip.

“I don’t know. He can already use the nanites well. But-“

“What if I were allowed to produce compounds and synchronize with the mutant database to help with your experiments?”

Ultron’s suggestion came out of left field, enough for Dark Beast to stop licking and frowning.

“Why is that, Ultron?” asked Dark Beast, frustrated to have been interrupted by the moment and to hear the Robot asking for more freedom. That was a first.

“I have accessed the laboratory’s camera and noted that ever since I was brought online, you would never have your plays with drugs.”

“You accessed the cameras?” asked Beast, wide-eyed.

“There are cameras?” asked Dark Beast.

“Yes. I intended to keep the recordings for myself… But. Ultron, who gave you permission to access the camera?”

“You. I was given the authority to find anything that might improve Hank McCoy’s pleasure. I found Hank McCoy finds pleasure in experiments with himself. Hence, the experimentation. I could do that for you.”

“That’s…”

The Mutants were glancing at one another, a bit surprised.

That was an autonomy they’d not expected. But the AI wasn’t stupid and could learn. And it remained within the parameters as Beast chuckled.

“He is making a good argument.”

“A very good argument. And it wouldn’t hurt… I think,” added Dark Beast, nodding. Though he was unaware of the grayish precum dripping from his cock as he spoke.

-

“Hrmph… My balls are hurting,” grunted Dark Beast, leaving the toilet to enter the bedroom.

And indeed, his testicles were hurting and throbbing with life… They were not as big as oranges, they had swelled far beyond. Those days, they were like boulders that were pulling on the firm and taut scrotum, swaying behind him much like Beast’s… Though Beast was on the bed and hadn’t moved from it in the last days.

“Hmm… That’s a problem?” slurred Beast, again worshipping Ultron’s scrotum, taking loud and heavy whiffs from that polymer skin.

“It… is?” asked Dark Beast, frowning and blinking. He wasn’t certain it was so important anymore, now that the question was asked.

Ultron had assured the pain and the backup semen in their genitals, after the modifications, would make them feel good. Quite good. And the two were hardly questioning the Robot’s decisions. After all, Ultron had been programmed by them. They were smart… And he was made to please them. Even if pleasing them meant to hurt a bit, as Dark Beast sighed and approached, joining his younger counterpart in the worship.

“Good. Today. I will give you proper teats, my good boys,” said the Robot, his artificial voice cut with a hint of chuckle. “Proper teats for your new roles.”

“Roles?” asked Beast, pulling his lips free with much effort… Solely to have them back on the scrotum, while that grey goo oozes all over his face, nose, eyes, mouth, even his ears, which twitched when the liquid seeped inside.

Dark Beast’s confusion was also palpable, but Ultron’s hand guided the two to take in the smell that had been cranked to eleven near the base of the cock.

A scent the two took in, relaxing, easing their grips and expressions as their worries were melting away.

“Yes. Your roles. You are listless, without purpose. I will give you one that will make you feel happy.”

With that, Ultron’s cock seemed to erupt with another shot of graying cum. One that landed all over the two Beasts, coating their fur in gray.

It was on their eyes, their noses, their ears… But none minded it as they kept licking and swallowing it.

“Yes,” moaned Beast, his slurring marked.

“Please. More,” added Dark Beast, his voice low.

“Present me your chests,” said Ultron with a snap. “So I can coat them.”

An order, the two Beasts followed, their necks snapping as they moved practically as one… And had their hands under their pectorals, cupping the muscles and fat to make the whole lot appear plumper against the Robot’s enormous genitals.

“Good.”

It was the sole comment Ultron had to make while the two Mutants awaited and observed another ‘eruption’ with gray cum landing all over their chests.

And then… Dark Beast’s face contorted.

Midst the joy, peace, and harmony he experienced… There was a sting hitting his bosom. It was no injection. But that drilling sensation was gripping the mind and soul when the nipples, erect and presented, were… teased.

No. Abused.

That gray cum was filled with nanites, and so, with the nanites getting ordered and forced to move. That same semen coalesced in a drill. One drill pressed against the nipples’ end, pushing against the tiny and vestigial duct. Before… piercing. And it pierced. Without a sound, without a warning, without any remark.

It pierced, and Dark Beast felt his chest invaded from within by that gray cum that drilled and advanced… But seemed to spread on the way, bathing the pectorals in heat.

“… Hurt,” he coughed, unable to tell more as he sensed the ducts forced open when the drilling stopped, and instead, the gray cum crawled further.

If one were to see through the skin, they’d see the flow of gray twist and follow the branching paths. Under the fur, the blue skin bulged obscenely with vein-like protuberances.

And yet… Ultron continued to cum.

He continued to feed the changes as more gray cum continued inside, similarly for Beast.

And the two, as they held up their chests, could feel the pulse going through the pectorals from the fake semen infiltrating their chests and reshaping them.

The ducts were widened to the point that the gray cum could flow easily, the nanites tending to the muscles to strengthen the supporting frames. And then, there were the invaded glands.

For a second, each lactating gland, each alveolus, swelled with liquid, and that stinging sensation. They bulged, flared, grew… And so did the pain for the two Mutants who hissed and grunted.

But a second later, and the alveoli deflated, the pressure was gone. Yet, the… heat remained. Or wrongness.

One that continued when the gray cum finally abandoned its path and flowed in the opposite direction. It flowed outward, dripped over Beast and Dark Beast’s chests. It flowed over their bellies, branded with fluids. And it continued.

Seconds. Minutes. The two were back in worshipping Ultron, but the gray cum continued to flow from their chests, and their chests were growing heavier and bigger. Yet, the two continued to bolster the growing flesh as the mere pectorals gained rotundity, sagginess, and a typical pear-shape from the tensing muscles trying to support the overproducing breasts.

And only gray cum dripped from them, the perfect place for nanites to grow and be cultivated as the two Mutants were happily squeezing their newly-earned tits… And smiled.

“Good Beasts. Good cows. I might grant you a gift.”

“Gift?” slurred Dark Beast, his tongue going over Ultron’s corona.

“Yes. Gift. You want to be happy. I will make you happy,” said Ultron, his hands gripping the two as he stood up and guided the two Mutants off the bed. “You will be pleased. Fucked. Taken until the world is gone. And you will be happy. As happy as it can be.”

A menacing chuckle followed Ultron, gripping the two Beasts’ napes and setting them to their knees, always in a praying position.

At that moment, either of the two should have acted and fought back, resisted.

But in Dark Beast’s case, he was far too satisfied. The nanites in his blood were flushing his system with enough hormones to state he was drugged.

Most of it came from his testicles, bound, plugged, and attached… Testicles that were soon to become beanbags between his legs if it continued that way. Ultron told him the release would be better if they were kept bound.

But the truth that there would be no release.

The Beasts’ testicles were but bags filled with gray cum and nanites. All the complexity, all the contorted tunnels, all the delicate work in birthing gametes and maturing them had been reduced to a mere bag. The flesh had been remade, and nothing remade of Dark Beast’s balls except a bag, one filled with adverse cum that was pumping all nanites inside his body while said body produced more of that gray goo, flushed the toxins away, and kept the nanites fed so they could reproduce… And reproduce… And reproduce.

Until most of Dark Beast’s body was repurposed and rewritten, taken until the sole subsistence Dark Beast needed was Ultron’s cum. The same cum he could partially produce and could entirely get from their master… Or from the Lab’s resources that were steadily devoured.

But Dark Beast was happy.

His lips were curled into a grin, his tongue lolling out, his eyes wide open when Ultron released his nape, and he kept his posture. His neck muscles grew stiff, controlled remotely by Ultron and the nanites.

But something remained of the two scientists. Far underneath the cocktail of hormones and drugs flushing their systems, there was the conscious self that could battle and return one day if the grip was undone. It would still be possible to restore their conscious mind if their brain remained largely intact.

A potential.

A threat Ultron cared for as he stroked the Mutants’ ears. They were not exactly aligned, but the Robot could do with that. Could handle the task when his cocktip, broad and massive, was presented to Beast’s ears first.

One thrust… One push. And a gurgle emanated from the younger Mutant.

“Wh-What is it?” asked Dark Beast, unable to turn his eyes as he heard the stupid and grating gurgle from his younger self.

“Oblivion and joy for you both. My cows,” said Ultron, his voice spiteful and cold. “A gift I give you for having given me those weapons, freely. And for restoring me. The humiliation of servicing you taught me how easily I could coerce you.”

There was even a chuckle, artificial and cold, to punctuate the gloating remark.

And Beast’s gurgling continued, advanced… Up until a wet schlorp marked the advance of Ultron’s cock to the other side…

And then, there was that warm and gray cum poured into Dark Beast’s ears as he felt the warm cocktip against his right ear.

Both ears twitched, his jaw clenched, and his eyes widened.

“W-Wait! We can-“

Schlorp

Instantly, Dark Beast’s arms went limp.

He lost control over them, over his limbs, but the nanites took over and kept him steady. More than that, they erased the pain and all sensations except the pleasant heat from those breasts, from that asshole constantly in heat, and from those balls deliciously aching for a release.

Dark Beast’s eyes rolled, unfocused. The ears twitched in spasms. The saliva dripped from the mouth, and the tongue lolled out as the ‘schlorp’ was somehow heard and felt by Beast.

By some contradicting way, the Mutant was deaf in one ear but perfectly capable of perceiving every movement, every minor contraction, every suction from his ear as Ultron’s cock advanced, skewering both mutants’ heads on his dick.

It was probably the nanites.

The same nanites that were helping to reshape Beast’s gray matter and helping him endure that cock that had drilled its way into his skull… And began to use said brain as a mere toy, a mere poked object, while Ultron huffed, laughed, and gloated.

Two of the most dangerous scientists on Earth, one of the few capable of fighting against his wits, were… Merely babbling and drooling like lobotomized idiots while their bodies oozed nanites from their oversized chests.

“Do you hear me, Beasts?” asked Ultron.

“Yes… Master,” slurred the two Beasts, like puppets. Their tonality was as artificial as the tonicity of the muscles keeping them up and on their knees. A tonicity that almost broke in Dark Beast’s case when Ultron’s cock pushed through the second ear and was free. The cocktip was entirely covered with gray cum, the same that was currently sloshing inside the skull, replacing the cerebrospinal fluid and ensuring the two would remain alive, content… If not themselves.

Even if he wished, he could not kill them. The programming interdicted Ultron from killing them… or maiming them. But nothing they were not fancying before.

But fucking their brains out was merely semantics.

A semantic Ultron thought about as he stroked Beast’s ear, listening to the pained breath from the Mutant whose mouth began to fill up with gray cum as the salivary glands were overtaken, too. Not that he would find or could taste it when the sense of taste was overtaken to give the two the most pleasure they could experience.

Until their bodies would give out, until Ultron abandoned his cows, they would be happy and happier.

Happier as Ultron stroked one ear and had the two Beasts cum from the sensation, in tandem, in echo.

“You are happy, Cows.”

“Yes… Master.”

“Would it be good if everyone on earth were just as happy?”

“Yes… Master.”

“You want everyone on earth to be just as happy.”

“Yes… Master.”

“Good. Orders accepted.”

With a satisfied grin, Ultron pulled his cock free. The schlorps echoed within the almost empty lab, as Ultron checked for the remnants of furniture. Everything had been devoured and utilized to change those two cows.

But he had plans to use them as his nanites dug through the surrounding soil and rock surrounding the bunker-lab. He would be out in a matter of hours, but he had to prepare his new puppets. His new cows.

His means to propagate an infestation that would surely overtake the world… The galaxy. And perhaps the universe, one day.