Season 2

April 22, 2012

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.

April 29, 2012

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.

May 6, 2012

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

May 13, 2012

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

May 20, 2012

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

June 24, 2012

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

July 1, 2012

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

July 8, 2012

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

July 15, 2012

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

July 22, 2012

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.

July 29, 2012

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.

August 5, 2012

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.

August 12, 2012

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

August 19, 2012

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

September 9, 2012

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

September 16, 2012

After a month of being dormant for repairs, The Vision finds the world under the control of Tony Stark.

September 23, 2012

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.

September 30, 2012

While dealing with the Red Skull's escape with his Sleeper robots, Captain America also investigates the villain's former henchman who seems disturbingly familiar.

October 7, 2012

With the Hulk apparently rampaging wild, the Red Hulk comes to the Avengers to request to join.

October 14, 2012

When the Avengers are apparently killed by Kang the Conqueror, an automatic function created by Tony Stark calls up several allies up as replacements.

October 21, 2012

As warned, the Kree Empire arrive to threaten Earth.

November 4, 2012

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

November 11, 2012

The Avengers and his allies face the ultimate test when Galactus, the Devourer of Planets comes to consume Earth.