Robert Downey Jr. returns to the MCU with other confirmed actors including stars Chris Hemsworth and Tom Hiddleston, 'X-Men' stars like Patrick Stewart and Ian McKellen, and a good chunk from the studio's 'Thunderbolts.

Doomsday, and it's practically every major heavy hitter in the MCU so far! It would be an understatement to say Avengers: Doomsday has changed a bit since its conception. In what seems like much longer ago,

The Avengers are assembling once again next year - but one star will be noticeably absent. Marvel fans got their first look at Avengers: Doomsday on Wednesday (March 26th) when Marvel Studios shared a video across its social media platforms that declared the upcoming ensemble movie is "now in production" ahead of its scheduled release in May next year.