The Avengers reunite to face an unexpected return of Ultron and encounter new threats like Baron Zemo, the Masters of Evil, the Inhumans, and the futuristic Kang the Conqueror. It's only with the help of heroes like Black Panther, Captain Marvel, Ant-Man, Doctor Strange and Ms. Marvel that they have a chance of surviving an all-out Marvel super hero Civil War, and prove once again, they're a family and their combined strength is the key to remaining Earth's Mightiest Heroes. In the premiere episode, "Adapting to Change", the Avengers learn what it's like to work as a team again and battle A.I.M'.s latest weapon, a new and improved Super Adaptoid developed by the Scientist Supreme.
Ultron is back and plans to replace humanity with robots known as Ultimates.
Captain America battles to rescue Bucky who has been captured by Baron Zemo.
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.
The Avengers fight to stop Justin Hammer's new weapons factories, but there are positives and negatives with a mysterious new team of heroes known as the Thunderbolts.
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.
Dr. Strange needs the Avengers' help when Dormammu steals the Eye of Agamotto.
Hulk is drained of his gamma radiation ans is stuck as Bruce Banner.
When townspeople transform into primitive creatures, the Avengers attempt to help them by putting themselves into conflict with the Inhumans.
The Avengers must team up with the Inhumans to stop their old foe, Ultron, who plans to unleash a dangerous weapon upon Earth.
Captain America and Iron Man join forces with Inferno and Ms. Marvel to stop Ghost from stealing Friday.
The Avengers try to stop A.I.M. from stealing high-tech weapons from the future ever since it was discovered that they upgraded the gear of Whiplash and Spymaster. Their fight with A.I.M. attracts the attention of the 30th-century warlord Kang the Conqueror since it was his technology that A.I.M. used as he takes control of the A.I.M. Agents present.
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.
Black Widow comes face-to-face with Yelena Belova, who in her determination to create the ultimate weapon turns Hulk into the Winter Hulk.
Thor teaches the Vision the value of friendship by taking him to Asgard where together they must fight an Ultron-controlled Destroyer.
The Avengers join Captain Marvel in a fight to stop a powerful sentient spaceship from destroying Earth.
Despite their differences, the Avengers team up with Black Panther in order to stop the evil Klaue.
On the set of a superhero movie, the Avengers team up with Ant-Man to stop the madman Egghead from destroying Los Angeles.
Baron Zemo returns to target the Avengers alongside his father, whom he's brought back from the 1940s.
The team battles a new super-villain, the U-Foes, while the arrival of a new government liaison threatens Hulk's place on the team.
The Avengers, along with their new teammate Red Hulk, must stop the Leader from building and unleashing his secret weapon.
The Avengers must stop an out-of-control Red Hulk as he threatens to destroy an entire town.
The Avengers must stop Maximus from wreaking havoc in Attilan and causing its citizens to lose control of their powers.
With the Avengers disbanded, a new team - The Mighty Avengers - steps in to take their place.
When the Inhumans are mind-controlled into attacking innocent humans, the Avengers must find a way to override their control and end the war.
The Avengers, old and new, must find a way to free the Inhumans and the world from Ultron's control. When Ultron takes control of Iron Man, Doctor Strange comes up with a plan that might result in Iron Man's sacrifice.