- Primary Subject: Avengers: Doomsday official trailer release
- Key Update: Marvel released the first official trailer for Avengers: Doomsday.
- Status: Confirmed
- Last Verified: July 20, 2026
- Quick Answer: The first Avengers: Doomsday trailer showcases an epic hero crossover, Doctor Doom’s arrival, and a shocking twist as Steve Rogers catches Mjolnir.
The first official trailer for Avengers: Doomsday has finally been released online, giving fans their first look at the upcoming MCU multiversal event.
After the four teaser trailers that were released several months ago, fans have been looking forward to seeing the first official trailer for the upcoming film, which will feature the crossover between the MCU Avengers and the Fox X-Men heroes as they join forces to battle against Doctor Doom, played by returning MCU star Robert Downey Jr.
Now, we finally have our first look at the upcoming MCU event.
Avengers: Doomsday Unveils First Official Trailer
Marvel Studios released the first official trailer for Avengers: Doomsday after months of anticipation from fans.
It showed us our first sneak peek at the crossover between the Avengers, the Fantastic Four, and the X-Men from the Fox universe. However, it didn't reveal any full glimpse of Robert Downey Jr.'s Doctor Doom, as his face was not shown.
The footage that we see in the trailer was already shown during Disney's CinemaCon presentation last April, but it was only available to the attendees at that time.
The trailer opens on a grim sight: the iconic sign for Xavier’s School for Gifted Youngsters lying discarded in the dirt. A somber voiceover warns of an unstoppable force, a threat the heroes may not be able to stop. As tension mounts, a visibly shaken Charles Xavier watches from his window as flames rain from the sky. The narrator is revealed to be Doctor Doom, rising from the shadows in his signature hood and mask.
The focus shifts to the New Avengers Tower, where the crossover happens. The Fantastic Four convene with an assembly of heroes in Earth-616, including Bucky Barnes, Ant-Man, and Captain America. We also got a brief glimpse of Loki in his TVA suit. The mood darkens further as Thor takes over the narration, delivering a chilling monologue about his fallen allies and confessing that this new threat scares him more than anything he has ever faced.
What follows is a flurry of high-stakes action: Cyclops debuts a fresh new look, Gambit duels Shang-Chi, and the Fantastic Four meet Wakandan forces in a drained seabed framed by towering walls of water. Meanwhile, Yelena Belova marches past a concerned Reed Richards, only to get locked in a brutal fight against a dopplegänger, revealed to be the shapeshifter Mystique.
As Thor’s voiceover reaches a crescendo, pleading for a miracle, the trailer cuts to a desperate confrontation. Thor hurls Stormbreaker at Doctor Doom, who effortlessly catches the massive weapon with one hand.
Just as all hope seems lost, a voice calls out from the shadows of the Fantastic Four’s ship. A rugged, long-haired, and bearded Steve Rogers emerges, leaving Thor stunned. In a jaw-dropping final twist, Steve raises his hand, summons Mjolnir straight out of Doom’s grasp, and catches it with a grin.
While the trailer did not reveal a lot of details, it is still an exciting first look for fans who have been excited for the movie, and more footage should arrive in the coming months as they get closer to its release.
What to Expect in Avengers: Doomsday

Avengers: Doomsday follows beloved heroes from three distinct universes as they’re set on a deadly collision course and face an existential threat unlike anything they’ve ever encountered.
The star-studded cast includes Robert Downey Jr., Pedro Pascal, Vanessa Kirby, Joseph Quinn, Ebon Moss-Bachrach, Chris Hemsworth, Anthony Mackie, Sebastian Stan, Paul Rudd, Letitia Wright, Simu Liu, Tom Hiddleston, Winston Duke, Florence Pugh, David Harbour, Wyatt Russell, Lewis Pullman, Hannah John-Kamen, Danny Ramirez, Tenoch Huerta Mejía, Patrick Stewart, Ian McKellen, Kelsey Grammer, James Marsden, Rebecca Romijn, Alan Cumming, Channing Tatum, and Chris Evans.
The film is slated for release in theaters on December 18. It will also be available on the Infinity Vision certified screens.
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