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.
Hulk is suffering amnesia and the team take him through a day in his life to jog his memory.
When Impossible Man shows up and wants Falcon as his movie star, the team discover that he actually needs their protection.
Black Widow is assigned by Nick Fury to find a contingency plan to take down the Hulk after learning AIM has created a gamma virus. Which Hulk and Widow are going to need when Red Skull uses it on the other Avengers.moreless
Dr. Doom has returned, combined with the Destroyer's capabilities and the team must enlist an unlikely allie.
Hulk proves to the team what his limits really are, when the Atlantian Warlord Attuma plans to sink Manhattan into the ocean.
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 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.
Dracula looks to rule the world when he joins forces with the Red Skull and turns Black Widow into a vampire.
When Dr. Doom sends an Asgardian weapon equiped Midgard Serpent to destroy the earth, Thor decides to sacrifice himself.
Novice Avenger Falcon must save his teammates from the body-swapping Space Phantoms.