The Avengers: Earth's Mightiest Heroes

Each of the four facilities designed to hold supervillains experiences a simultaneous and large-scale escape.

Ant-Man, Hulk, Iron Man, Thor, and Wasp unite to stop Graviton, who has escaped from the Raft and set his sights on Nick Fury.

Iron Man successfully repels a HYDRA assault on the United Nations but becomes concerned when S.H.I.E.L.D. announces plans to seize control of his advanced technology.

Thor intervenes to stop the Wrecking Crew from committing a robbery before returning to Asgard to confront Loki and the Frost Giants.

General Ross and the Absorbing Man pursue the Hulk, while Hawkeye uncovers a hidden conspiracy within the ranks of SHIELD.

Kang the Conqueror observes as Captain America and the Red Skull engage in combat during World War II.

Ant-Man and the Wasp team up to confront the villain Whirlwind, while in Wakanda, T'Challa's father faces off against the Man-Ape in a battle for leadership.

The Enchantress employs her magical abilities to sow doubt in the Hulk, causing him to turn against the Avengers and launch an assault on Thor.

The Avengers discover a frozen Captain America and bring him back to life, but their efforts attract Baron Zemo, who seeks revenge for being infected with Virus X.

Simon Williams, angered by Tony Stark's acquisition of his company, pursues a high-risk AIM experiment led by MODOC and his brother, the Grim Reaper, which transforms him into a powerful entity of ion energy.

Black Panther asks the Avengers for help to reclaim Wakanda from the tyrannical Man-Ape and to prevent Hydra operatives Klaw and the Grim Reaper from seizing the nation's vibranium reserves.

The Leader uses the Cube to generate a gamma radiation bubble that mutates anyone exposed to it, prompting the Avengers to collaborate with Doc Sampson to contain the threat. At the same time, Hawkeye goes undercover at a Hydra base in an attempt to capture Black Widow.

Hawkeye, the Hulk, and Thor must work together to stop the Leader, whose gamma radiation weapon mutates the other Avengers and poses a global threat to humanity.

Hawkeye, Black Panther, and Ant-Man must defend Avengers Mansion after Baron Zemo and the Masters of Evil overpower the remaining team members and seize control.

The Avengers team up with Captain Mar-vell to stop a Kree sentry drone from launching an attack on Earth.

Hawkeye and Mockingbird disobey SHIELD and Iron Man's commands by deliberately letting themselves be captured by Hydra, in a mission aimed at dismantling Black Widow's operations.

Kang the Conqueror travels from the future to the present, asserting that he must eliminate Captain America and take control of Earth to prevent its eventual destruction.

Kang the Conqueror invades Earth with a robotic army, prompting the Avengers to free the Ultrons—guardians of the Negative Zone Prison—to defend New York.

The Avengers launch a mission to stop Kang the Conqueror by infiltrating and taking control of his command ship.

Dark elf Malekith the Accursed discovers an ancient Asgardian artifact and uses it to unleash a wave of eternal winter upon Earth.

Black Widow seeks assistance from the Avengers as Hydra and AIM clash in a struggle for control of a powerful Cosmic Cube.

Ultron-5 malfunctions and abducts the Wasp, leading to chaos when it uses laser weapons to kill Thor.

With Thor missing and Captain America hospitalized, the remaining Avengers face the challenge of stopping Ultron, who seeks to eradicate humanity due to its perceived flaws.

The Masters of Evil launch a global takeover, while Loki betrays Baron Zemo, shifting the balance of power in their scheme.

The Avengers are scattered across different mythological realms and must contend with emerging dangers while forming new alliances to combat Loki's growing influence.

After eight of Asgard's realms have been conquered, Earth is the last one standing, and the Avengers must unite to stop Loki from achieving complete domination.

The Avengers, hosting the Fantastic Four at their mansion, are suddenly attacked by an army led by Doctor Doom.

The leader of AIM, seeking vengeance against Tony Stark, takes over Stark Enterprises' headquarters.

The Enchantress, driven by vengeance, pursues Baron von Zemo, who turns to the Avengers for assistance in fending her off.

Ronan the Accuser, representing the Kree Empire, arrives on Earth accompanied by Captain Mar-Vel to assess whether the planet is worthy of annexation or faces destruction.

Henry Pym discovers his Ant-Man technology has been stolen and is being used for criminal purposes, so he enlists the help of the Heroes for Hire to retrieve it.

The Avengers encounter a man who has been subjected to alien experiments and is now being pursued by a different extraterrestrial faction.

Iron Man discovers with help from Nick Fury that a Skrull spy has infiltrated the Avengers, leading to growing suspicion and conflict within the team.

Thor encounters an alien intruder whose fierce demeanor and fearsome look mask an unexpected ability to prove himself worthy of wielding Mjolnir.

A red-colored Hulk attacks SHIELD, causing confusion as Bruce Banner can be verified to be elsewhere at the time of the assault.

Captain America and his fellow prisoners try to escape from a Skrull detention facility.

A team of Skrulls disguised as the Avengers launch an invasion of Wakanda, and Ms. Marvel joins forces with Black Panther to uncover and stop the deception.

The Skrull Empire begins an invasion of Earth, challenging the Avengers to mount a defense and prevent the takeover.

Captain America and Spider-Man, both facing public distrust, team up to stop a planned attack on a prisoner transport.

Captain America and his allies journey to Wakanda for help repairing his damaged shield, but they are pursued by a powerful android with a mission to capture it and achieve other goals.

Loki, manipulated by the Enchantress, seeks revenge against Thor and the Avengers for previously stopping his plans to conquer the Nine Realms. Using magic, the Enchantress removes the powers of Thor, Captain America, and Iron Man, leaving them vulnerable. The heroes must now find a way to stop Loki, who wields the powerful Asgardian weapon known as the Destroyer.

An Avengers team travels to a SHIELD facility in the Negative Zone, only to be attacked by an unknown adversary.

Ultron commands the Vision to lead a team of android duplicates in an attempt to capture the original Avengers.

After Henry Pym is seemingly killed, a new vigilante emerges, using technology reminiscent of his own to combat crime.

The Vision awakens after a month-long period of dormancy for repairs to find that Tony Stark has taken control of the world.

A dangerous virus emerges near the Avengers mansion, prompting the Secretary of Defense to accuse the team and launch a military assault on their headquarters.

Captain America works to stop the Red Skull and his Sleeper robots while also looking into a former henchman who bears an unsettling resemblance to someone from his past.

Red Hulk seeks to join the Avengers as the Hulk goes on a destructive rampage.

After the Avengers are seemingly killed by Kang the Conqueror, an emergency protocol designed by Tony Stark activates, summoning various allies to take their place.

The Kree Empire makes its presence known, signaling a potential threat to Earth as tensions rise.

Captain Mar-Vell confronts a difficult ethical dilemma as the war with the Kree Empire escalates. The episode explores the personal and political tensions shaping the conflict. His choices have far-reaching consequences for both sides.

The Avengers and their allies must confront the cosmic threat of Galactus, a planet-devouring entity, as he arrives to destroy Earth.