Marvel Studios has finally dropped the first trailer for Avengers: Doomsday, and it's everything fans hoped for—and more. The biggest movie of 2026, and arguably the most anticipated since the pandemic, brings Earth's Mightiest Heroes back together for the first time since Avengers: Endgame. But this time, Tony Stark is gone, and a new, terrifying figure has emerged: Doctor Doom, played by none other than Robert Downey Jr.
The trailer doesn't hold back. It shows the Avengers in a state of crisis, splintered and facing an unprecedented threat. We get glimpses of familiar faces—Chris Evans as Steve Rogers, Chris Hemsworth as Thor—alongside newcomers like Pedro Pascal's Reed Richards and Channing Tatum's Gambit. The tone is darker, more urgent, and the stakes have never been higher.
What to Watch Before 'Avengers: Doomsday'
If you want to be fully prepared for the multiverse madness, you've got some homework. Key films to revisit include Shang-Chi and the Legend of the Ten Rings, Black Panther: Wakanda Forever, Thor: Love and Thunder, Captain America: Brave New World, Thunderbolts, Deadpool & Wolverine, and The Fantastic Four: First Steps. On Disney+, Loki Seasons 1 and 2 are essential for understanding how the multiverse is crashing together.
For a deeper dive into the MCU's timeline, check out our article on Spider-Man: Brand New Day's MCU Timeline, which reveals it's set before Avengers: Doomsday.
Who's Involved in 'Avengers: Doomsday'?
The Russo brothers—Joe and Anthony—are back in the director's chair, having previously helmed Captain America: The Winter Soldier, Civil War, Infinity War, and Endgame. It's a triumphant return and a safe pair of hands for Marvel.
The star-studded cast includes Robert Downey Jr. as Doctor Doom, Chris Hemsworth as Thor, Chris Evans as Steve Rogers, Pedro Pascal as Reed Richards/Mister Fantastic, Florence Pugh as Yelena Belova, Tom Hiddleston as Loki, and Channing Tatum as Gambit, among many others. The film also features the X-Men, the Fantastic Four, and the Thunderbolts, making it a true ensemble event.
In a nod to MCU tradition, Avengers: Doomsday keeps a key MCU tradition alive with returning stars, ensuring that the legacy of the franchise continues.
When Does 'Avengers: Doomsday' Release?
Avengers: Doomsday arrives in theaters on December 18, 2026. With the trailer now out, the countdown has officially begun. Get ready for a reinvention of the MCU like never before.
