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Total Film
Total Film
Entertainment
Lauren Milici

New Avengers: Doomsday trailer sees Thor face off against Robert Downey Jr.'s Doctor Doom and gives us the X-Men action we've been waiting for

Robert Downey Jr. on stage at CinemaCon 2026 for Avengers: Doomsday.

A brand new trailer for Avengers: Doomsday premiered at CinemaCon... introduced by none other than Robert Downey Jr.

In the two-minute trailer, we once again see the ruins of the X-Mansion. Professor Xavier watches in horror as flames appear in the sky. We hear who we think is Doctor Doom say, "Something's coming, something we may not be able to deter..." The trailer cuts to the New Avengers tower, in which the Fantastic Four are introduced to Bucky, Ant-Man, and Captain America. Thor tells the group that they must stand together, or everything they sacrificed "will be for nothing."

In another cool shot, Shang-Chi and Gambit face off, and Yelena appears to be fighting herself... though it's quickly revealed to be Mystique. Thor charges at Doom, Stormbreaker in hand, but Doom catches it effortlessly. smashes Stormbreaker at Doctor Doom, who simply catches it with one hand. He emphasizes, "We're going to need a miracle,” to conclude his speech. Steve Rogers appears, complete with some long hair and a beard, and manages to catch Stormbreaker with ease. The trailer ends with "12.28.26 is Doomsday."

During the Marvel presentation, Kevin Feige and the Russo brothers took the stage first, telling the crowd that Doomsday picks up right where Endgame left off. Downey, donning a Doctor Doom shirt, then introduced the aforementioned "Trailer of Doom." Unfortunately, there's currently no indication of when the trailer might make its way online.

The lengthy cast list includes: Anthony Mackie as Captain America, Tom Hiddleston as Loki, Sir Ian McKellen as Magneto, and Alan Cumming as Nightcrawler – all of whom were absent from the trailer. Though we did get confirmation that Cassie Lang is back, so that's, er, something.

For more on Marvel Phase 6, keep up with all the upcoming Marvel movies and TV shows on the way.

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