Episode 1
The Avengers learn what it's like to work as a team again as they battle a new and improved Super Adaptoid that was developed by A.I.M.'s Scientist Supreme.
Episode 2
Ultron is back and plans to replace humanity with robots known as Ultimates.
Episode 3
Captain America battles to rescue Winter Soldier who has been captured by Baron Zemo.
Episode 4
Hawkeye must defend the Avengers Tower from Baron Zemo who has taken the Masters of Evil members Beetle, Fixer, Goliath, Moonstone, and Screaming Mimi under his leadership.
Episode 5
The Avengers fight to stop Justin Hammer’s new weapons factories, but are both helped and hindered by a mysterious new team of heroes known as the Thunderbolts.
Episode 6
When the Avengers discover that the Thunderbolts are actually the Masters of Evil, they must decide whether they can trust the villainous team to turn on their leader, Baron Zemo.
Episode 7
Dr. Strange needs the Avengers' help when Dormammu steals the Eye of Agamotto.
Episode 8
Hulk is drained of his gamma radiation and stuck as Bruce Banner.
Episode 9
When townspeople transform into primitive creatures, the Avengers attempt to help them by putting themselves into conflict with the Inhumans.
Episode 10
The Avengers must team up with the Inhumans to stop their old foe, Ultron, who plans to unleash a dangerous weapon upon Earth.
Episode 11
Captain America and Iron Man must partner with new and young Inhumans - Inferno and Ms. Marvel - to stop another Inhuman, The Ghost, from stealing Friday.
Episode 12
The Avengers try to stop AIM from stealing high-tech weapons from the future, which attracts the attention of the 30th Century warlord - Kang the Conqueror!
Episode 13
With the exception of Thor, the Avengers become trapped in the 30th century and must beat Kang the Conqueror to find their way back to their own time.
Episode 14
Black Widow comes face-to-face with Yelena Belova, who in her determination to create the ultimate weapon turns Hulk into the Winter Hulk.
Episode 15
Thor teaches the Vision the value of friendship by taking him to Asgard where together they must fight an Ultron-controlled Destroyer.
Episode 16
The Avengers join Captain Marvel in a fight to stop a powerful sentient spaceship from destroying Earth.
Episode 17
Speaking before The General Assembly of The United Nations, Black Panther is targeted by Crossbones... and has issue with Captain America's possession of vibranium!
Episode 18
On the set of a superhero motion picture, the Avengers team up with Ant-Man to stop the madman Egghead from destroying Los Angeles.
Episode 19
Baron Zemo returns to target the Avengers alongside his father, whom he's brought back from the 1940s.
Episode 20
The President has signed the New Powers Act in response to the Terrigen Fog creating new Inhumans and Truman Marsh is assigned to be the Avengers liaison to the government. Meanwhile, scientists backed by HYDRA enter a gamma storm with a stolen spaceship and are transformed into the U-Foes where they plan to take over HYDRA when Baron Strucker hasn't returned.
Episode 21
Following Truman Marsh replacing Hulk with Red Hulk, the Avengers must stop Leader from building and unleashing his secret weapon.
Episode 22
The Avengers must stop an out-of-control Red Hulk as he threatens to destroy an entire town.
Episode 23
The Avengers must stop Maximus from wreaking havoc in Attilan and causing its citizens to lose control of their powers.
Episode 24
With the Avengers disbanded, a new team - the Mighty Avengers - steps in to take their place.
Episode 25
When the Inhumans are mind-controlled into attacking innocent humans, the Avengers must find a way to override their control and end the war.
Episode 26
The Avengers, old and new, must find a way to free the Inhumans and the world from Ultron's control.