(Image credit: Marvel Studios)
Avengers: Secret Wars — key information
– Set to be released next December
– Trailer not expected until mid-2027
– Some actors already confirmed to appear
– Unclear how Avengers: Doomsday will impact its story
– Source material offers some clues about its plot
– Expected to reboot the Marvel Cinematic Universe
Avengers: Secret Wars is set to bring down the curtain on Marvel‘s wildly inconsistent Multiverse Saga. And, even though the much-anticipated movie isn’t due to land in theaters until December 17, 2027, some details about its plot, cast, and eventual impact on the Marvel Cinematic Universe (MCU) have already been confirmed by those involved in its production.
Luckily for you, I’ve rounded up the latest and biggest news on the sixth Avengers film in this guide. So, if you simply can’t wait to get the lowdown on the sequel to this year’s Avengers: Doomsday, read on.
Avengers: Secret Wars release date
Avengers: Secret Wars will be jettisoned into theaters worldwide on December 17, 2027.
Originally, it was supposed to come out on May 7, 2027 — Marvel confirming as much during its Hall H panel at the 2024 San Diego Comic-Con (SDCC). However, in May 2025, Marvel announced Doomsday and Secret Wars would be delayed by seven months. The former, which was due out on May 1, 2026, will now drop on December 18, 2026, with Secret Wars debuting almost exactly one year later.
Marvel has never explained why their launches were pushed back. However, the sheer scale of these productions, plus the criticism leveled at Marvel Studios over the varying quality of its Multiverse Saga projects, means they need as much development time as possible to be as good as we hope they’ll be.
Avengers: Secret Wars trailer — is there one?
No, and we definitely won’t see one before Avengers: Doomsday is released. After all, Marvel isn’t going to spoil what happens in the aforementioned film before we get to see it.
My best guess is that a brief teaser will receive its worldwide premiere during Marvel’s Hall H panel at SDCC 2027, before a full trailer is unveiled much closer to Avengers: Secret Wars‘ release date. In short, we’ll be waiting a long time to see some footage.
Avengers: Secret Wars cast — confirmed and rumored
Avengers: Secret Wars‘ cast hasn’t been confirmed because — again — that would spoil who’ll survive the events of Avengers: Doomsday.
However, some actors have already ruined the surprise by confirming they’ll be back in Avengers 6. Additionally, some respected news outlets have also reported on other individuals who might appear. Potentially huge spoilers immediately follow for Secret Wars, so read on at your own risk:
- Robert Downey Jr as Doctor Victor von Doom
- Chris Evans as Steve Rogers/Original Captain America
- Chris Hemsworth as Thor
- Paul Bettany as Vision
- Simu Liu as Shang-Chi
- Letitia Wright as Shuri/Black Panther
- Ebon Moss-Bachrach as Ben Grimm/The Thing
- Sadie Sink as TBC
It goes without saying that Downey Jr’s Doom will return. He’s the Big Bad of the Multiverse Saga’s two-part concluding, so he’ll be back for round two.
Meanwhile, Evans confirmed he’ll be part of proceedings in a video call with a fan. Serial MCU leaker Mark Ruffalo, who plays Bruce Banner/The Hulk in Marvel’s cinematic franchise, has also let slip that Hemsworth’s Thor will show up in Secret Wars.
Ebon Moss-Bachrach, who portrays Ben Grimm/The Thing, announced his involvement by saying filming will begin this August, so, we’ll see at least one member of The Fantastic Four in Secret Wars. Speaking to people.com, Simu Liu also revealed Shang-Chi is involved in Avengers 6, while Letitia Wright told ScreenRant she’ll show up, too.
Furthermore, Paul Bettany told The Telegraph that he’s “got some Avengers duties” to do, which all but confirms he’s part of the cast. Lastly, rumors abound that Sadie Sink will have a role to play in Secret Wars following the debut of her mystery character in Spider-Man: Brand New Day.
There are bound to be more cast announcements, including confirmation that one of Marvel’s most bankable stars, Tom Holland, who portrays Peter Parker and his superhero alias Spider-Man, will appear (NB: For what it’s worth, Holland has already teased he’ll be involved). Once further details about this film’s ensemble come to light, I’ll update this section.
Avengers: Secret Wars story speculation
Predictably, Marvel hasn’t unveiled Secret Wars‘ story synopsis yet. Nonetheless, directors Joe and Anthony Russo have dropped hints on what we can expect.
For starters, the Russo brothers, who are also helming Secret Wars‘ predecessor — for more on that, find out everything we know so far about Avengers: Doomsday — exclusively told me they “will draw inspiration” from both of Marvel’s Secret Wars comic book storylines.
The literary pair, which came out in 1984 and 2015, shares some narrative similarities (for instance, both explore the Marvel Multiverse), but mainly tell distinct tales. Expect the Russos to cherry-pick elements from both comic book runs, then, to help them tell their own original story.
Again, it’s unclear how its narrative will play out. However, last March, a major Marvel concept art leak appeared to give us our very first look at what could happen in Avengers: Doomsday and Avengers: Secret Wars. The images were only live for a brief spell before they were pulled offline, which suggests they were legitimate. That said, the vast majority of pre-vis artwork is never used in a film or TV show, so it’s possible they were never used further during the development process.
On the recent rumor front, the final Marvel Phase 6 project won’t be split into two. There was speculation that, given the significance and scale of its plot, plus how many characters could be involved, Avengers: Secret Wars could be turned into a duology of its own. Marvel has stayed quiet on this, but numerous reliable industry insiders have shot down this particular piece of gossip since it emerged in February, so it’s highly unlikely to happen.
Anyway, once Avengers 5 is released, we’ll have a clearer idea of what Secret Wars‘ plot will entail. Until then, the above is the best information available to us.
How will Avengers: Secret Wars impact the Marvel Cinematic Universe
The likeliest scenario would involve something of a reset of the MCU as we know it.
There’s no denying that Marvel’s cinematic juggernaut has become more unwieldy with each phase. The introduction of more and more heroes and villains (not all of whom have proven to be popular with audiences), plus the laborious amount of homework required of viewers before they watch one of Marvel’s new movies in theaters or TV shows on Disney+, means a rebooting of the comic giant’s cinematic franchise would be welcomed by diehards and newcomers alike.
It seems like we’ll be getting that, too. The Russos have suggested that the next two Avengers films will be a “new beginning” for the MCU. Additionally, Marvel President Kevin Feige told Variety that the MCU 2.0 will return to a “singular timeline” that, among other things, will introduce viewers to a brand-new version of the X-Men, aka the comic titan’s famous mutant superteam.
It remains to be seen which established characters will make the leap to the new MCU, but I’d be surprised if fan favorites like Spider-Man aren’t a part of it. Throw in the likely recasting of Black Panther, the retention of The Fantastic Four, and the introduction of new heroes who are currently popular in Marvel Comics, and the MCU won’t be going anywhere anytime soon after Avengers: Secret Wars.
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