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.

Perhaps attempting to prove that reports of imminent box office demise have been greatly exaggerated, Marvel on Wednesday announced major casting news for its upcoming “Avengers” sequel that both flex the power of its history and set it up for the future.

The Avengers: Doomsday cast reveal livestream event shattered records with 275 million views, according to new reports from Marvel Studios. While unconfirmed, the staggering number has fueled further interest in the film’s expanding cast, especially as Marvel teases more major reveals in the lead-up to its 2026 release.