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.

Marvel Studios surprised fans by going live and revealing the confirmed cast members of Avengers: Doomsday. This time, they did roll call in a unique way— featuring empty chairs inked with the MCU actors' names,

Endgame." Many fans are wondering when is the next Marvel Cinematic Universe film and who's retuning to the Avengers? This week, Marvel unveiled the star-studded cast of "Avengers: Doomsday" during a livestream event with each actor being revealed one at a time with a glimpse at the back of their director's chair.