The Avengers: Earth's Mightiest Heroes Episode Rating Graph

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

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

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

Iron Man learns from Nick Fury that the Avengers has been infiltrated by a Skrull impostor and the team turns against each other.

The battle against the Kree Empire continues, with Captain Mar-Vell facing an agonizing moral decision in the conflict.

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.

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

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.

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

Kang launches a full-scale invasion of Earth using an army of robots, and in order to save New York, the Avengers are forced to unleash the Ultrons who serve as guards for the Negative Zone Prison.

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

It's up to Hawkeye, the Hulk, and Thor to save the day when the Leader's gamma radiation ray mutates the rest of the Avengers and threatens to do the same to every human on earth.

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.

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

The Enchantress is on a vindictive hunt for Baron von Zemo and he appeals to the Avengers for help against her.

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

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

When Henry Pym discovers that his Ant-Man equipment has been stolen and being used by a criminal, he hires Heroes for Hire to recover it.

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

Ronan the Accuser of the Kree Empire arrives at Earth with Captain Mar-Vel in tow to pass judgment on whether the planet should be annexed or destroyed.

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

The Enchantress 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.

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.

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

The Avengers receive a man who appears to have been experimented on by aliens, and now hunted by another extraterrestrial group.

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