They devour the Thunderbolts!

Opening his mouth wide Captain America shoved the screaming Osborn down his throat and swallowed, chuckling as he felt the man fight and squirm down into his stomach before going still. Looking over to the others he smiled a toothy grin as Tigra and Black Panther tore at Radiation Man like a chew toy while Black Widow played with Scorpion, shoving the symbiote clad man into her drooling pussy even as he tried to fight back. Bored of his attempts to sting and claw at her she pulled him out of her snatch and gulped him down, moaning as she enjoyed the slick taste of the black parasite. "Venom taste good but not yet satisfied." Husked the giant arachnid monster as she eyed up Cap's bulk and muscles, chittering her fangs she scurried over to the lizard abomination and pressed her breasts and belly against his chest and gut, his massive cock bobbing under her fat laden belly. "You bigger than Venom, you fuck Widow?"

Leaning down to share a rough kiss with the former assassin, Cap reached down to squeeze her round fat ass and thighs, forcibly turning her around to mount her as the others watched. Giving a dominant roar the ruler of the Abominated Avengers pumped into the 50 foot tall abominated woman and started pumping into her. They had all become monsters, over time they had all surrendered to their gnawing hunger and lusts they had just rampaged through the city and killed the team of redeemed heroes led to destroy them, even the squad of killer sentinels that had been designed to target gamma empowered beings. And it still wasn't enough to stop them, now they were as big as the sentinels themselves and only getting bigger the more they ate.

Colliding into Hawkeye as he watched his lover get nailed by Captain America, Miss Marvel licked the winged abomination's face to get his attention before straddling his own twitching member. "Spider busy with horned one, you fuck ME then, we make strong babies!" Rolling over to get above the blue scaled she-monster, Hawkeye lined himself up and speared into her, with Marvel wrapping her thick legs around his waist as they ground their hips together. "Nnngh... Harder! You fuck harder, lick my tits, fuck!" Writhing under the winged monster Miss Marvel moaned as he reared back and came hard, firing gallons of seed into her womb.

The rest of the abominations followed suit, pairing up as their parents mated and grew.

***

"Marvelous, it would seem there has been a reaction with the gamma spores and Dr. Pym's particles." Observed the Leader as his tiny drones watched the Avengers from a save distance and fed the images back to him. "The matter they consume is increasing their size and causing them to mutate further, becoming more powerful versions of themselves... Fascinating."

Clicking a series of buttons on his control pannel he looked back to the group of monsters and smiled. "Time for phase two."

***

After the Avengers had finished breeding with each other like animals their hunger had returned full force. Finding a taste for anything they could grab, the monsters began tearing into Oscorp tower, breaking off slabs of stone and metal and biting into the material as if it were gingerbread. The more they ate the bigger they grew, swelling larger by the hour as they made their way back down, consuming floor after floor of the building.

Spider Woman was shoveling battered furniture into her mouth before chewing the matter up and swallowing it all down. It was getting harder for her and the others to think as they swelled larger, their priorities changing along with their bodies as they only thought of eating and growing bigger, more powerful. A slight kick from her belly caused her to reach down to rub her distended stomach. Her unborn brood slowly growing with each bite their mother took.

Wasp roared in pain as she laid on her back giving birth to her latest swarm of children. Each now the size of cars as they landed heavily on the floor she had stopped at. The rest of her swarm stayed close as she bore more little monsters. Ant Man stood by eating the remains of a wall as he watched his wife and mate bear more of his children, his throbbing erection anticipating putting more in her after she was done.

By the time the Avengers had eaten the skyscraper down to its foundation they had all grown titannic! Now well over 15 stories tall the giant gamma monsters looked to the city with hungry looks. Just as their horned ruler made his first step he was distracted by a small machine hovering around his eyes. Trying to swat it away, it flew off into the distance and projected a massive hologram for the Avengers to see. The image of a green skinned man with an oversized head and mustache smiled back from his projection at the gigantic monsters looking back in confusion.

"Well well well, it would seem that my little project has finally come to fruition." Said the Leader's projection with mirth. "If you've been curious I was the one who added the spore gland in Emil Blonsky before he died, I am responsible for your current transformations."

"WHAT YOU WANT?" Growled Cap as he waved his claw through the hologram, the image flickering as the Leader smirked. "That is very simple my good abomination, I want you to destroy the city... Then every other one after that." Looking to each other in confusion the small green man continued.

"I intend to make a brand new world to replace this current one, a Gamma World, and YOU will be the ones to impliment it, so what shall it be?"

"Hungry!" Cap growled as he bit off a large part of a skyscraper.

"Hungry!" most of the abominations roared as they ate more and more.

Leader smirked. The heroes had become so savage that all they cared about was fighting, fucking, and filling their bellies.

Sitting back in his chair the Leader watched on as the former heroes turned monsters rampaged through their home city.

The 100 foot tall abomination formerly known as Captain America snorted as he tore apart a nearby skyscraper, biting into the stone and metal like he was starving as every mouthful he swallowed made him grow larger and fatter. Grunting from the pain of his sudden changes his tail grew longer, the spines on his back spreading downward until it ended as a spear's tip at the end of his lengthened tail. More and more he was turning into some kind of obese wingless dragon, his face pushing out into a muzzle while his horns curved outward from his head. Roaring from the final bits of his mutations he stomped forward for more to eat.

Black Panther had been pushed down onto his back by a trio of Wasp's daughters, the collision causing half a city block to collapse under their shared weight as they descended onto his bus-sized cock. His growls of protest ended quickly as the three females began licking and sucking his balls and erection. Soon the larger of the three wasp abominations grew bold and positioned herself over his cock, right before slamming her weight down and impaling herself on his cock. Moaning loudly she pressed up against his gut as she ground her hips against his own. She wanted to be like her mother and bear a brood of her own, and tonight she was going to get it.

Miss Marvel was in ecstasy as she was forced down by a group of Spider-Woman's sons, each trying to plow into her pussy at once, stretching her wide as they came load after load of seed into her. Even while taking several cocks at once she craved more, DEMANDED more. She wanted to bear more abominations that she ever had, and as her belly swelled larger with each blast of cum she growled at the prospect of being so large with life. Feeling hungry she grabbed one of the tired ones and pulled him towards her mouth, sucking him off to feed off his cum, right after he planted a few broodlings into her womb.

The throng of giant monsters rampaged through the city eating everything in sight whether it be the buildings or the fleeing people, none of it mattered to the former heroes anymore, the damage already done they had all gone mad with hunger and lust. And the more they consumed the more demanding those urges became. Groaning as he felt his stomach full for the time being Ant Man looked around fearing what had become of his friends, and to himself. Over a hundred feet tall himself he grimaced as he felt his gigantic cock bob and throb at his waist, his upper pair of hands trying to reach over his gut to settle it as his mandibles clicked and drooled, three news eyes blinked above his forehead between his twitching antennae as he tried to regain his self control. "NEED TO... FIGHT THIS... SO MUCH DESTRUCTION... GETTING OUT OF HAND... NEED... NEED..."

Turning his armored head to the sounds of his wife in pain he stared motionless as he watched her grow. A second pair of diaphanous wings sprouted from her back as she grew larger, her scales giving way to thick armored plates. Collapsing to her hands and knees she groaned as the changes finished, her wide rump and gasping pussy mesmerizing the ant abomination. "NEED FUCK!"