Avengers: Doomsday Trailer Pits The Multiverse's Heroes Against Robert Downey Jr.'s Doctor Doom!

Avengers: Doomsday Trailer Pits The Multiverse's Heroes Against Robert Downey Jr.'s Doctor Doom!

Marvel Studios has released the first trailer for Avengers: Doomsday, and it sees the Avengers, X-Men, and Fantastic Four assemble to battle the biggest threat to the Multiverse: Doctor Doom!

By JoshWilding - Jul 20, 2026 09:07 AM EST
Filed Under: Avengers: Doomsday

We knew something was coming when tickets for Avengers: Doomsday went on sale, and Marvel Studios has delivered by releasing the epic first full trailer for the movie.

This appears to be the same sneak peek that premiered at CinemaCon back in April, but those descriptions really didn't do it justice. Highlighting almost all of the movie's confirmed cast members—there are no Spider-Man or Wolverine-shaped surprises to be found, unfortunately—Robert Downey Jr.'s Doctor Doom narrates the preview before the spotlight shifts to Thor.

There are many highlights, including a clash between Shang-Chi and Gambit, Yelena Belova facing off with Mystique, and the long-awaited reunion for Thor and Steve Rogers. 

Loki briefly appears in his TVA garb (an intriguing moment, based on where we last saw him), but the best is saved for last when the God of Thunder confronts Victor Von Doom and finds himself nowhere near a match for the Multiverse Saga's new big bad.

We'll have a full trailer breakdown for you a little later today, as there's an awful lot to unpack. The lines have become blurred between legitimate plot leaks and details gleaned from trailers like this, but there are several moments here that confirm a lot of what we've heard about how Avengers: Doomsday will play out.

What does this mean for Sunday's Hall H presentation? Well, Marvel Studios will likely have footage exclusively for fans attending San Diego Comic-Con. We'd also bet on some big casting announcements and updates on the MCU's future beyond Avengers: Secret Wars.

Check out the epic first trailer for Avengers: Doomsday in the players below.

In Avengers: Doomsday, beloved heroes from three distinct universes will be set on a deadly collision course and face an existential threat unlike anything they’ve ever encountered.

Avengers: Doomsday stars Chris Evans, Chris Hemsworth, Anthony Mackie, Winston Duke, Tom Hiddleston, Sebastian Stan, Letitia Wright, Paul Rudd, and Robert Downey Jr. Wyatt Russell, Simu Liu, Tenoch Huerta Mejia, Mabel Cadena, Florence Pugh, Danny Ramirez, David Harbour, Hannah John-Kamen, Lewis Pullman, India Rose Hemsworth, and Wesley Holloway all make their Avengers franchise debuts.

The Fantastic Four: First Steps leads Pedro Pascal, Vanessa Kirby, Ebon Moss-Bachrach, and Joseph Quinn join them, as do X-Men franchise stars Kelsey Grammer, Patrick Stewart, Ian McKellen, Alan Cumming, Rebecca Romijn, James Marsden, with Deadpool & Wolverine star Channing Tatum. 

The Russo Brothers direct Avengers: Doomsday and Avengers: Secret Wars from a screenplay by Stephen McFeely, with whom they previously collaborated on the Avengers and Captain America franchises. The movie is produced by Kevin Feige, Louis D'Esposito, and Jonathan Schwartz, with Callum McDougall serving as executive producer.

Avengers: Doomsday is set to be released on December 18.

About The Author:
JoshWilding
Member Since 3/13/2009
A lifelong comic book fan who grew up on Spider-Man: The Animated Series in the '90s, Josh Wilding has been contributing to ComicBookMovie.com since 2009.

While he's also written for websites like Batman-News, HeyUGuys, and WhatCulture, Josh is a Rotten Tomatoes-approved critic for CBM and the site's #1 contributor with nearly two decades of experience covering film and TV news (including interviews with Tom Holland, Chris Pratt, Gary Oldman, Halle Berry, Jon Bernthal, Tom Welling, and hundreds more).

Based in the UK with his wife, Josh is also an avid WWE and Formula 1 fan and writes about those passions on CBM's sister sites, TheRingReport.com and FullThrottleHQ.com. Favourite superhero? Spider-Man. Favourite pro wrestler? CM Punk. Favourite F1 driver? Max Verstappen.
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JoshWilding
JoshWilding - 7/20/2026, 9:10 AM
EPIC!
Spike101
Spike101 - 7/20/2026, 9:55 AM
@JoshWilding - it’s a quiet day in F1 today so I’m waiting for the 10 things posts, push on a bit if you could please 🙏 and did you see the Franco overtake into turn 5 yesterday?
TheNewYorkerr
TheNewYorkerr - 7/20/2026, 10:02 AM
Looks convoluted. But I enjoyed seeing them (not all of them) again. Hopefully Cap will get a haircut after that convo LOL
JoshWilding
JoshWilding - 7/20/2026, 10:04 AM
@Spike101 - I'm working on it now! And yes, a very good drive from Franco. Hadjar deserves a little more credit, too. As for poor George...believe me when I say my wife and I leapt into the air with joy when his race ended!
JonBenke
JonBenke - 7/20/2026, 11:13 AM
@TheNewYorkerr - WTF lol
VICTHEMAN
VICTHEMAN - 7/20/2026, 1:54 PM
@JoshWilding -

User Comment Image
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 9:11 AM
I still feel nothing.
Bucky74
Bucky74 - 7/20/2026, 9:34 AM
@DOOMSPEAKS - I thought it was a good trailer but it had wayyy too many characters most don’t care about at all and not enough that we do. I’d honestly be 10 times more excited to see Wesley Snipes’ Blade, Steve suited up with the Shield, Spider-Man (any of them but lately Tom’s and Toby’s) and a new Black Panther, than many that were there. Shang Chi Vs Gambit is cool but Wolverine Vs Hulk would be better. Again, the roster is incomplete for every team but the FF.
PS118
PS118 - 7/20/2026, 9:35 AM
@DOOMSPEAKS -

Same 😐
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 9:43 AM
@Bucky74 - This is the same damn trailer that’s been talked about since idk last year? There’s nothing in there that surprised me. The roster for this is so bad. The only characters that I care about is Steve and Loki and they’ll probably ruin Lokis development just so they can speed run the Doom threat. It’s just nostalgia baiting with RDJ, CE, and the X-men.
soberchimera
soberchimera - 7/20/2026, 9:44 AM
@DOOMSPEAKS -
1. Lamor
2. The annoying younger sister is still Black Panther
3. Captain Falcon
4. Shang-Chi and the Arm Bands of Power
5. Thunderflops
6. Fantastic Barely Broke Even
7. No Neck Unintelligible Gambit

It’s like a clip show of their worst hits, they might as well have included the Eter-dulls to complete the set.
Bucky74
Bucky74 - 7/20/2026, 9:45 AM
@DOOMSPEAKS - And Thor. Helmsworth’s “Infinity War” Thor was always the best take. But you’re right, other than a few characters, this is a “D” list roster mostly with a few big names.
Bucky74
Bucky74 - 7/20/2026, 9:46 AM
@soberchimera - Agree on most of those but Tatum’s Gambit cracked me up in DP Vs Wolverine
FireGunn
FireGunn - 7/20/2026, 9:46 AM
@DOOMSPEAKS - Because it looks terrible
soberchimera
soberchimera - 7/20/2026, 9:48 AM
@Bucky74 - Exactly, they made a cool character a walking punch line.
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 9:53 AM
@Bucky74 - I don’t really care about Thor much anymore because of how they butchered him in Love and Thunder. And the eventual Thor/Loki reunion is going to be trash because it’ll be for 2 seconds right before Loki bites it where as it could be a fully Odin Force Thor teaming up with God of Stories Loki literally holding off Doom before he rewrites everything and them going out together as brothers for the fate of the multiverse
Bucky74
Bucky74 - 7/20/2026, 9:53 AM
@soberchimera - I get that take, but I think they left room to explore more with him
vectorsigma
vectorsigma - 7/20/2026, 9:53 AM
@DOOMSPEAKS - if it didnt have that Marvel Studios channel, i thought it was fan made.
Bucky74
Bucky74 - 7/20/2026, 9:56 AM
@DOOMSPEAKS - I hated Love and Thunder, but they definitely course corrected Thor here. You’re probably right about how long their reunion will last but I’d rather they don’t kill off Thor. They’ve taken enough big characters off the board
FireGunn
FireGunn - 7/20/2026, 9:59 AM
@soberchimera - He acted comedic in a comedy film. You think he's going to act like that here?
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 10:02 AM
@Bucky74 - And that’s the other thing, everyone, besides Doom, is going to “die”. Just to come back in SW and they’ve already done that in IW and Endgame.
Bucky74
Bucky74 - 7/20/2026, 10:10 AM
@DOOMSPEAKS - If they want to be a little different, they can have them all come back sooner (rather than at the very end) and show a little bit of Doom’s world with the heroes without their memories (while adding in some of the missing heroes we actually want to see (Siri and Red Guardian are only popular with Kevin Feige).
Rpendo
Rpendo - 7/20/2026, 10:11 AM
@DOOMSPEAKS - maybe superhero movies aren’t for you, then…?

All good…lots of other genres out there.
soberchimera
soberchimera - 7/20/2026, 10:12 AM
@FireGunn - It’s a Marvel film, it’s a comedy film by default.
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 10:18 AM
@Rpendo - No I think it’s just tough to watch something that you’ve cared for for so long be torched in front of you and watch everyone cheer for the inferno.
theFUZZ008
theFUZZ008 - 7/20/2026, 10:25 AM
@DOOMSPEAKS - Why the [frick] does Cap look like that?
FireGunn
FireGunn - 7/20/2026, 10:25 AM
@soberchimera - This film looks as serious as Infinity War. D&W was a full on comedy. I doubt he'll be as stupid and bumbling
FireGunn
FireGunn - 7/20/2026, 10:25 AM
@Rpendo - Bad dogshit superhero movies aren't for us yes
SheepishOne
SheepishOne - 7/20/2026, 10:55 AM
@DOOMSPEAKS - Honestly the roster is what has me the most interested in the movie. The Russos have proven that they can elevate characters and redefine them. I want to see what they do with these guys. The reason you care about Steve is because of the Russos. I’ve said it before, the best versions of every character we’ve seen in the MCU is in a Russos movie (with the exception of Hulk). They just get it.
blitzburgh
blitzburgh - 7/20/2026, 11:01 AM
@FireGunn - shut the [frick] up you twat..... God, for months you just keep repeating yourself..... GET BENT
Deadinside
Deadinside - 7/20/2026, 11:01 AM
@DOOMSPEAKS -
"...I think it’s just tough to watch something that you’ve cared for for so long be torched in front of you and watch everyone cheer for the inferno."

How do you think I feel...? I'm a Batman fan...! ☮️😜
FireGunn
FireGunn - 7/20/2026, 11:03 AM
@blitzburgh - Reboot the MCU and DCU
FireGunn
FireGunn - 7/20/2026, 11:04 AM
@SheepishOne - "The reason you care about Steve is because of the Russos."

Complete nonsense. Cap was great in his first film and I loved him in the first Avengers
blitzburgh
blitzburgh - 7/20/2026, 11:08 AM
@FireGunn - you're a crybaby looking for attention.
Reboot @firegunn
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 11:11 AM
@Deadinside - Lol not a Reeves fan? Batman is my favorite too but I’m holding out hope on that franchise. I have no hope for Gunns version except I know for sure Ace the bat hound will be done correctly finally lol!
SheepishOne
SheepishOne - 7/20/2026, 11:20 AM
@FireGunn - Not disagreeing that Cap was great in those two. But the general consensus (and my personal opinion) is that Winter Soldier and Civil War refined and elevated his character.
Scarilian
Scarilian - 7/20/2026, 11:28 AM
@DOOMSPEAKS -
Same, there's lots of characters, but I don't feel anything for any of them. I was hoping I'd have a curiosity about seeing how much of a train wreck this will be so that I'd end up googling a few fight scenes or something, but nope, nothing. Apathy.
KennKathleen
KennKathleen - 7/20/2026, 12:12 PM
@SheepishOne - I respect and appreciate the optimism.
TheFinestSmack
TheFinestSmack - 7/20/2026, 12:15 PM
@DOOMSPEAKS @soberchimera - Is the Gambit in this trailer the same Gambit as the one from D&W? Same actor, but is it the SAME Gambit from when we last saw him? I'm so confused about WHICH X-Men universe they are pulling from because it doesn't seem like the actual Fox universe.
DOOMSPEAKS
DOOMSPEAKS - 7/20/2026, 1:06 PM
@TheFinestSmack - I think it’s yet another new FOX-men universe but obviously one more “comic accurate”. Like it’s cool to see the gang back together again but it’s confusing as fck
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