Venom is rampaging through New York City, possessing the Agents of SMASH and the Hulk must stop him.
Upon Thor's return, he finds that Dr. Doom has gone back in time to prevent the Avengers from being formed to take over the world.
To help him reunite with Lord Hater, Wander and Sylvia pretend to be the prisoners of a tiny Watchdog named Westley.
Red loses his temper and accidentally drops Devil Dinosaur in Dr. Doom's backyard and Doom uses the dino to wage war on the Hulks.
Hulk is suffering amnesia and the team take him through a day in his life to jog his memory.
When B.O.B. swallows Dr. C's invention, Coverton tries to use B.O.B.'s new predictions to take over the base.
The team thinks Skaar is getting cruder each day and hire a doctor to teach him manners. But when the others are attacked by Absorbing Man, his new manners may get in the way.moreless
Link and Sta'abi compete against each other for the privilege of driving the newest supercar, but Sqweep interferes with their plans.
When a giant worm attacks Vista Verde, Hulk blames himself for the destruction and joins the mole men to stay out of trouble.
When Impossible Man shows up and wants Falcon as his movie star, the team discover that he actually needs their protection.
Peter discovers he has a vestigial twin growing out of his neck. It's not long before Peter starts to resent the fact that everyone loves Chip more than him, so he decides to amputate his twin. However, when Peter gets into trouble, he realizes he needs Chip more than ever.moreless
A world wide snowstorm causes the Hulk team to investigate leading to the discovery of Thor frozen in ice. After breaking him loose, they team up to vanquish the ice giant from earth.moreless
When Susan accidentally spills on Sta'abi, she tries to apologize and makes things worse.
While celebrating A-Bomb's birthday at the mini-golf course, the leader attacks by shrinking the team. The team discovers Skaar's true alleges.
Dr. Doom has returned, combined with the Destroyer's capabilities and the team must enlist an unlikely allie.
When an inactive volcano erupts, the team travel to the Savage land in Antarctica to investigate.
Sta'abi, an alien warrior, lands on earth searching for a creature highly prized for it's hunting abilities.
Red Hulk's ego is out of control and it gets worse when Ego, the living planet, arrives to consume the Earth.
Hulk teams up with another publically-perceived menace, the amazing Spider-Man, when a new foe named the Collector kidnaps every other superhero on the planet.
The Leader, a gamma ghoul with, literally, a big head, takes control of the invincible Iron Man's Hulkbuster armory in an effort to destroy the Hulk, leading to a forced alliance between a mistrusting Iron Man and Hulk's team of gamma heroes.moreless
Spider-Man, Iron Man, Thor and Hulk stand powerless after being struck by Dr. Doofenshmirtz's power-draining "inator." Once the Marvel Super Villains - Red Skull, Whiplash, Venom and M.O.D.O.K. - find out that Dr. Doofenshmirtz is responsible for robbing the superheroes of their powers, they seek him out and together create mayhem in Danville. Meanwhile, Phineas and Ferb do everything they can to restore the superheros' powers before the evil villains take over the world.moreless
Hawkeye and Black Widow go on a covert S.H.I.E.L.D. mission without informing the rest of the Avengers, but ultimately regret leaving their teammates in the dark when they discover that their target possesses a weapon of world-bending powers.moreless
A mysterious storm troubles the city of Vista Verde, New Mexico, birthplace of the Hulk and the only place whose residents embrace the green giant. When Hulk and Rick Jones investigate, they discover that Annihilus and his Hulk-like henchman Skaar are trying to invade Earth. With the help of Red Hulk, Hulk and Rick seemingly avert the crisis, but soon discover that they may have only made the threat greater.moreless
After being exposed to Gamma radation, Rick's future is in flux and the Hulk's team is growing.
A heroic superhuman named Hyperion arrives on the scene to protect and defend the Earth, but turns out to be more antagonistic for the Avengers when his methods prove dictator-like.
The Avengers face a superior technological, power-replicating machine that can turn the Avengers abilities against them and only Captain America's dependency on non-technology can save the day.
When Dr. Doom sends an Asgardian weapon equiped Midgard Serpent to destroy the earth, Thor decides to sacrifice himself.