In addition to McKellen, Stewart and Marsden, several noteworthy cast members from the original 2000s' X-Men films are slated to appear in Avengers: Doomsday, including Kelsey Grammer (Beast), Alan Cumming (Nightcrawler) and Rebecca Romijn (Mystique).

While the end of 2026 will mark Doomsday for the Marvel Cinematic Universe, Marvel Studios is kicking off the year this month with the launch of its latest small screen offering, the eight-episode

Though the Shang-Chi and the Legend of the Ten Rings talent has already noted how he "embarrassed" himself by being “really, really underdressed” the first time he met his Oscar-winning co-star on set, it sounds like Downey didn’t take any offense, as he still allowed Liu into what everyone called “Downey Land.” As he recently told Collider:

However, there is one factor that is not being taken into account by Marvel, and it greatly contributes to the anticlimactic feeling surrounding the Doomsday trailers: they only confirm what is returning,