The Avengers team up with the Fantastic Four to battle Dr.Doom's armies.

An armorless Iron Man fights A.I.M.'s latest creation, the Technovore, while A.I.M. goes up against Captain America, Black Panther, and War Machine in an effort to steal the armored avenger's armor.

The Enchantress, after being betrayed by Zemo, seeks revenge on her former teammates, leaving the Avengers in the middle of a clash between supervillains.

An alien warrior race known as the Kree visits Earth to make a final decision regarding whether to add Earth to the ever-expanding Kree empire or obliterate it.

Ant-Man's suit goes missing, and Hank's quest to find his armor before someone gets hurt lands him in the clutches of the supervillain Crossfire.

An extraterrestrial being named Michael Korvac seeks the Avengers' protection from "villains" who turn out to be the Guardians of the Galaxy. As the Avengers fight the Guardians to keep Korvac safe, they are unaware that they are protecting the wrong person.

The Avengers are torn apart when Nick Fury returns and reveals that the shapeshifting aliens Skrulls have begun infiltrating Earth. The situation becomes worse when they learn a Skrull lurks within the Avengers.

While searching for the fire demon Surtur, Thor is attacked by a powerful creature known as Beta Ray Bill, and the unthinkable happens when Bill lifts Thor's hammer as the two battle. Thor must ally himself with this strange warrior to save Asgard before Surtur and his demon army burn it to the ground.

When S.H.I.E.L.D. is attacked by the Hulk, the Avengers rush to the scene. When they arrive, the rampaging Hulk is RED! The hunt is on for Bruce Banner as the Avengers try and unravel the mystery of 'Who is the Red Hulk?'

After being held prisoner for months, Captain America is ready to break out. If he is to succeed he must team up with his enemies. Cap won't let anything stop him, but he didn't count on facing the Super Skrull!

The Skrull invasion has begun, and Wakanda is the first target. Ms. Marvel is the only one there to fight off these aliens, whose shape-shifting abilities make matters much worse for her.

The Skrulls have invaded the entire Earth, and Captain America, Iron Man, and Thor lead an attack on the aliens.

Captain America is still trying to earn back the trust of the public, he teams up with the equally-mistrusted Spider-Man to fight the Serpent Society, whose members are trying to rescue Viper.

Still trying to restore hope and order to the world after the Skrull invasion, Captain America travels to Wakanda with the Avengers to repair his shield, but a new foe has come to take his shield. The Avengers must now find out where he came from and who sent him before he prevails.

The Avengers must team up with their enemies to fight an army of strange creatures who are attacking 42.

The Avengers are attacked and captured by Ultron's team of synthezoid Avengers as part of Ultron's plan to rid the world of "flawed" humans, perfect himself, and construct a mate.

A new vigilante who calls himself "Yellowjacket" shows up. Meanwhile, Iron Man and Wasp attempt to persuade Hank to rejoin the team, to no avail.

The Vision awakens after a month of repairs only to find that Iron Man and the Avengers have taken over the Earth! With the whole planet against him, the Vision must get to the bottom of Tony Stark's 'utopia'.

Mysterious fumes in the Avengers mansion cause everyone to fall ill. Luckily, the Iron Man suit is sealed from danger. Can Tony figure out what's going on before the Secretary of Defense shut down the Avengers?

No one knows who the Winter Soldier is or how he came to be. But one thing is for certain, he's the Red Skull's top recruit. So why did he disobey orders and save Captain America's life? What is he truly after?

During the midst of the Skrull Invasion, Captain America convinced Hulk to transform back to Bruce Banner and turn himself in for a crime he didn't commit. Now, that his name is cleared, Bruce isn't just mad, he's raging!

Kang attempts to conquer the world once again, this time trapping the Avengers in a temporal void to keep Earth's mightiest heroes from getting in the way of his plans. Now, a new team of heroes (consisting of Spider-Man, War Machine, Wolverine, Iron Fist, Luke Cage and the Thing) must band together to stop the invasion.

The Kree attempt to create a wormhole connecting our solar system with theirs, which will consequently destroy the Sun.

The Avengers arrive on the Kree's home world, Hala, but find that they aren't exactly welcome there.

The Avengers fight Galactus and his heralds, their greatest threat yet.

Enchantress, as part of her master's plan, offers Loki a chance to exact revenge on Thor and the Avengers for defeating him and uses a magical spell to take away the powers of Thor, Captain America, and Iron Man. Now, the helpless heroes must defeat Loki and an Asgardian weapon known as the Destroyer without their abilities. (Unaired episode)