After Iron Man stops an A.I.M. arms trade, Hank Pym talks with Mad Thinker to see what he meant when he referred to the villains in the super prisons as soon being free. All four of the prisons then break down and each hero deals with this. Meanwhile, Leonard Samson is exposed to Gamma radiation when the Cube deactivates and is injured by Zzzax. Hulk escapes with Samson and heads to the nearest civilized area. Graviton escapes the Raft and seeks revenge on Nick Fury.
A flashback to 10 years before reveals Graviton's origin. In the present, Iron Man is outnumbered by old enemies at the Vault. To escape and fight Graviton, Tony self-destructs the Vault, but his armor was damaged and he radios a replacement from his Chicago tower. Thor, Hank Pym, and Wasp try to fight Graviton. Later, they are joined by Hulk and Iron Man and with their combined power they defeat Graviton and form the Avengers in order to catch the 74 escaped supervillians that escaped the four prisons.
A compilation of the micro-series episodes "Iron Man is Born!", "HYDRA Lives!", "Behold, the Mandroids!", and "Nick Fury, Agent of S.H.I.E.L.D
A compilation of the micro-series episodes "Thor the Mighty", "The Siege of Asgard", "My Brother, My Enemy", and "The Isle of Silence".
A compilation of the micro-series episodes "The Coming of the Hulk", "Hulk Versus the World", "This Monster, This Hero", and "Beware the Widow's Bite".
A compilation of the micro-series episodes "Meet Captain America", "The Red Skull Strikes!", "If This Be Doomsday!", and "Lo, There Shall Come a Conqueror".
A compilation of the micro-series episodes "The Man in the Ant Hill", "Enter the Whirlwind", "The Big House", and "Welcome to Wakanda".
The Avengers move into a mansion together, but Hulk threatens to kill everyone after he is magically manipulated by the Enchantress
The Avengers rescue a frozen Captain America, who has been on ice since World War II.
Simon Williams becomes a deadly being of ionic energy after being enraged by Tony destroying his company. Meanwhile, Wasp and Thor chase a group of AIM agents to find their secret hideout and run into another villain, MODOK.
T'Challa, the new Black Panther, meets the Avengers and tells them that his country has been overthrown by Man-Ape. As the Avengers arrive in Wakanda, not only do they have to help T'Challa reclaim his family's throne and country, but they also have to deal with Klaw and the Grim Reaper.
Leader has placed a dome around the Cube. It soon expands with anyone who is caught in it turned into a Gamma Monster. Meanwhile, Hawkeye catches up with Black Widow.
With the Avengers turned into Gamma Monsters, Hawkeye must convince Hulk to help fight Leader.
Supervillains invade Avengers Mansion and attempt to destroy the superheroes
Ant-Man and Wasp attempt to prevent an interstellar war between the Earth and two invading alien empires.
Hawkeye infiltrates Hydra Island to battle the Black Widow
Kang arrives from the future, claiming he must kill Captain America and conquer the Earth in order to save it from destruction.
The Avengers fend off Kang's invasion of Earth.
The Avengers attack Kang's ship with the help of the last of the Ultrons. They defeat Kang, who tells them the worst is yet to come.
The Avengers must stop Malekith the Accursed after he unleashes an everlasting winter on Earth. Once Malekith is defeated Thor learns he has been barred from returning to Asgard.
The Black Widow requests the Avengers' help in retrieving the Cosmic Cube before AIM and HYDRA tear the world apart fighting over it.
Ant-Man gets tired of unending violence and he wants to find a better way to bring peace to world. After all, this is why he created the robot army, Ultron. But something goes terribly wrong.
When the team is devastated after a loss, Iron Man and Ant-Man go destroying all remnants of Ultron. But they do not realize that Ultron has transcended his body, and has taken over the world's technology systems.
The Masters of Evil go all across the world preparing for an invasion that the Earth has never seen. Unless the Avengers can stop the invasion, the people of Asgard are coming to Earth.
The Avengers struggle to survive in the realms of Asgard.
The Avengers go against Loki, although they are nothing to Loki's power.
The Avengers team up with the Fantastic Four to battle Doctor 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 Enchantress, as part of her master Surtur's plan, offers Loki a chance to exact his revenge on Thor and the Avengers for thwarting his conquest of the Nine Realms, and uses a spell to strip Thor, Captain America, and Iron Man of their powers. Now, the helpless heroes must defeat Loki - his soul now in command of a powerful Asgardian weapon known as the Destroyer - without their abilities. NOTE: This episode was skipped in US airings, but included on the Avengers: Earth's Mightiest Heroes boxed volume Secret Invasion as a bonus episode. Marvel released a clip of the episode, adding that it is "an un-aired episode available exclusively" on the DVD. This episode is part of the regular airing schedule on ABC Australia, and eventually broadcast on Disney XD in the US on May 5, 2013.
Stranded in the Negative Zone, the Avengers must join forces with their enemies - including former members of the Masters of Evil - to fight off an army of strange insectoid creatures that are laying siege to 42.
The Avengers are ambushed and captured, one by one, by Ultron's team of synthezoid Avengers as part of the wayward android's plan to rid the world of "flawed" humans, perfect himself, and construct a mate.
A mysterious explosion seemingly kills Hank in his college laboratory, but as the Avengers and their friends mourn the loss of their fallen comrade-in-arms, a fearless new vigilante - endowed with the same powers and technology as Ant-Man/Giant-Man and Wasp and calling himself "Yellowjacket" - begins taking out the members of the Serpent Society.
The Vision awakens after a month of repairs to find that Tony Stark and his fellow Avengers have taken over the world. With the whole planet turned against him, the Vision must get to the bottom of Tony Stark's 'utopia' - only to discover an unlikely figure to be the true power behind the Avengers' throne. Based on the 1987 Marvel graphic novel Emperor Doom (albeit with a different cast).
Strange fumes sicken all of the Avengers - save for Iron Man, whose suit of armor provides him with protection. Now the armored Avenger must race against time to synthesize a cure for the infected - while the team face the prospect of being quarantined by U.S. Defense Secretary Dell Rusk, who has sent Doc Samson, Falcon, the Red Hulk and the Winter Soldier to arrest them. When Captain America is captured by the Winter Soldier and brought before Dell Rusk, he learns that the enigmatic Secretary harbors a diabolical secret from the supersoldier's past. Based on Avengers: Red Zone.
Captain America ponders the mystery of the Winter Soldier and enlists Nick Fury's aid to find him when the Red Skull escapes from prison and massive robots - the Sleepers - arise as part of a contingency plan by the founder of HYDRA to destroy Washington, D.C.
When the Hulk's name is cleared of the crimes committed by the Red Hulk, the Avengers find that the deception put forth by Captain America's Skrull doppelganger has made the green-skinned juggernaut even more of a loose cannon than before. Meanwhile, the enigmatic Red Hulk returns with a scheme to usurp the Hulk's place among the Avengers.
Kang the Conqueror is freed from prison by his alternate timeline look-alikes and attempts to conquer the world once again, this time trapping the Avengers in a temporal void to keep them from getting in the way of his plans. Now a new team of heroes (Spider-Man, War Machine, Wolverine, Iron Fist, Luke Cage and the Thing) must band together to stop the cross-temporal onslaught.
The Kree attempt to create a wormhole connecting our solar system with their galaxy, which will consequently destroy the Sun and all life on Earth - just as Kang the Conqueror predicted. The Avengers and Captain Marvel head into space to stop it, but will they be in time?
The Avengers arrive on the Kree homeworld of Hala, but find that they aren't exactly welcome there - even with Captain Marvel on their side.
From the very moment of their team's inception, the Avengers have fought against super-villains, time-travelling conquerors and even shape-shifting alien invaders. But now they must bring forth an army of nearly all their allies to face their greatest challenge yet - Galactus, the devourer of countless worlds and civilizations, and his quartet of heralds drawn from the very elements of nature.
King T'Chaka is challenged to a duel by Man-Ape for control of Wakanda.
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.
