A mass breakout occurs at each of the four supervillain prisons.

Ant-Man/Giant-Man, Hulk, Iron Man, Thor and Wasp band together to battle Graviton after he escapes from the Raft and targets Nick Fury.

After defeating HYDRA's attack on the United Nations, Iron Man learns that S.H.I.E.L.D. is taking control of his technology.

After stopping a robbery attempt by the Wrecking Crew, Thor returns to Asgard in order to defeat Loki and the Frost Giants.

The Hulk is hunted by General Ross and the Absorbing Man while Hawkeye discover a conspiracy within SHIELD.

Kang the Conqueror observers, while Captain America and the Red Skull battle during World War II.

Ant-Man and the Wasp work together to stop Whirlwind. Meanwhile T'Challa's father fights the Man-Ape for control of Wakanda.

The Enchantress uses her magic to manipulate the Hulk into distrusting the rest of the Avengers and attacking Thor.

The Avengers discover the frozen body of Captain America and revive him, leading Baron Zemo to attack, seeking revenge against Cap for infecting him with Virus X.

Furious at Tony Stark for buying up his company, Simon Williams seeks revenge by undergoing a dangerous AIM procedure, overseen by MODOC and the Grim Reaper, Williams' brother, which turns him into a being of pure ion energy.

The Black Panther seeks the Avengers' aid in freeing his African nation of Wakanda from usurper king Man-Ape, and stopping Hydra agents Ulysses Klaw and the Grim Reaper from stealing Wakanda's supply of vibranium.

It's Hawkeye, Black Panther, and Ant Man to the rescue when Baron Zemo and his Masters of Evil defeat the rest of the team and take over the Avengers Mansion.

The Avengers join forces with Captain Mar-vell in order to prevent a Kree sentry drone from destroying the Earth.

Defying the orders of both SHIELD and Iron Man, Hawkeye and Mockingbird allow themselves to be captured by Hydra in an attempt to bring down Black Widow.

Kang arrives from the future, claiming he must kill Captain America and conquer the Earth in order to save it from destruction.

Dark elf Malekith the Accursed locates an Asgardian artifact that plunges the Earth into eternal winter.

Black Widow turns to the Avengers for help when Hydra and AIM battle over control of the Cosmic Cube.

When Ultron-5 goes out of control and kidnaps Wasp, things go crazy when the droid kills Thor with his lasers.

The Masters of Evil take over Earth and Loki double crosses Baron Zemo.

Separated across the mythological realms, the Avengers face new threats and make allies for the fight against Loki.

Eight of the nine realms of Asgard have fallen, only the Earth remains. The Avengers are all that stands between Loki and total conquest.

Seeking revenge against Tony Stark, the leader of AIM seizes control of Stark Enterprises' corporate tower.

Thor meets an alien trespasser whose hostility and monstrous appearance belie his unexpected worthiness to wield his hammer, Mjolnir.

SHIELD is apparently attacked by the Hulk, but Banner is accounted for elsewhere at the same time while this Hulk is red in color.

The real Captain America and his fellow prisoners attempt to escape their Skrull prison.

A Skrull team posing as The Avengers invades Wakanda with only Ms. Marvel able to help the Black Panther.

The Skrull Empire initiates their seizure of Earth and the Avengers are hard pressed to thwart it.

With Captain America's reputation now in tatters, the superhero and the similarly maligned Spider-Man find themselves trying to thwart a prisoner transport interception.

Captain America and friends travel to Wakanda to repair his shield, unaware that a powerful android is hunting them to capture it among other objectives.

When an Avenger group visits SHIELD's special prison in the Negative Zone, they soon find themselves under siege by a mysterious enemy.

Ultron orders the Vision to lead his android impersonators of the Avengers in capturing the originals.

When Henry Pym is apparently killed, a new vigilante using equipment broadly similar to the scientist's is discovered attacking criminals.

When there is a sudden exposure of a malignant virus around the Avengers mansion, the Secretary of Defense blames the team and lays siege of the headquarters.