Earth's Mightiest Heroes Return in an All-New Animated Teaser

Earth's Mightiest Heroes must unite once more to wage battle with Ultron in a new season of "Marvel's Avengers: Ultron Revolution"! Check out the teaser above and catch the season premiere Sunday, March 13 at 8:30 AM ET on Disney XD.

When A.I.M. develops an all-new Super Adaptoid, the Avengers must relearn what it means to be a team! Captain America, Iron Man, Thor, and the rest of the team will face their biggest challenges in the upcoming season, where they find out that the nefarious Ultron has returned to wreak havoc once more. See the excitement in the teaser above!

Watch the season premiere of "Marvel's Avengers: Ultron Revolution" Sunday, March 13 at 8:30 AM ET on Disney XD! Stay tuned to Marvel.com for all the latest news and updates on Earth's Mightiest Heroes.

3 Season Teaser

More on Marvel.com: http://marvel.com/news/tv/25821/earths_mightiest_heroes_return_in_an_all-new_animated_teaser#ixzz41pk4KJXl