A clip claiming to show footage from Marvel Studios’ upcoming blockbuster ‘Avengers: Doomsday’ spread across social media. The video has sparked intense debate about whether it is a genuine leak or an AI-generated fabrication.
What the clip shows
The footage purportedly depicts Doctor Doom raising an army of Sentinels, with nearly the entire hero cast of the film assembled for a confrontation. Fans on social media described it as a crossover moment combining a classic Avengers rally and an X-Men call to arms in a single scene.
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The clip runs approximately 72 seconds. It is pixelated, soundless, and watermarked. Multiple accounts on X posted the video within hours of each other.
Context
Anticipation for ‘Avengers: Doomsday’ has been running high. The film is set to unite characters from the Avengers, X-Men, and Fantastic Four franchises. Marvel’s tightly controlled marketing strategy has left fans searching for clues wherever they can find them. The only full trailer is reportedly still restricted to CinemaCon attendees, creating a vacuum that has been filled by unofficial footage and rumours.
The film’s confirmed cast includes Chris Evans, Chris Hemsworth, Anthony Mackie, Winston Duke, Tom Hiddleston, Sebastian Stan, Letitia Wright, Paul Rudd, and Robert Downey Jr. Wyatt Russell, Simu Liu, Florence Pugh, David Harbour, and Lewis Pullman are also set to make their Avengers franchise debuts.
The case for the leak being real
Multiple outlets, including ComicBookMovie, reviewed the clip and concluded that the footage is the real deal and not AI-generated.
Known scooper Daniel Richtman called related leaks, including a photo featuring Wolverine, Spider-Man, and Deadpool, “100% real.” The footage also aligns with prior set photos and descriptions of what was shown at CinemaCon, which adds credibility.
One account on X shared the clip and stated that after consulting multiple sources, the footage matched what was screened at CinemaCon. The account claimed the footage simply contained unfinished visual effects.
The case against its authenticity
One viral video reportedly attracted around seven million views before viewers identified signs of AI manipulation, including character likenesses that appeared inconsistent with their established on-screen appearances. Observers also pointed to visual inconsistencies, such as fluctuating image quality within the same sequence, as evidence that some of the material may have been artificially generated.
A notable point of doubt is that every copy of the video that appeared on June 14 remained online the following day. Multiple accounts posted the video with notes suggesting they would take it down soon, but they did not. Disney also did not act.
Marvel Studios did not issue a DMCA takedown for the footage within the first 24 hours. Some fans interpreted this silence as proof the clip was fake, arguing that studios do not let real leaked footage circulate unchallenged.
Why silence is not proof either way
However, legal experts and observers cautioned that silence is not the same as confirmation. Takedowns can lag, especially over a weekend, and legal teams often batch enforcement rather than chase every repost in real time.
Two outcomes would break the stalemate. If Marvel issues takedowns, that would effectively confirm the footage is real. That’s because studios do not typically burn legal resources on fan-made AI content. If the clip quietly stays online and no cleaner version ever surfaces, the fake theory gains weight by default.
What has been confirmed
Sentinels are confirmed to appear in ‘Avengers: Doomsday’ based on the official trailer that was released. That detail lines up with what the leaked clip shows, though it does not verify the footage itself.
A separate, widely circulated alleged plot breakdown describes Doctor Doom’s origin as tied to multiverse Incursions that killed his family and left him disfigured. His plan, according to the leak, is to allow the Incursions to continue so he can rebuild the universe and resurrect his dead family. The film’s final act is reportedly set in Latveria. That’s where the Avengers, Fantastic Four, X-Men, Wakandans, and warriors from Valhalla all converge as universes begin to collide. None of this has been officially confirmed by Marvel.
What comes next
A new trailer is expected to be unveiled during Marvel’s Hall H panel at San Diego Comic-Con in July. That presentation is likely to settle many of the questions now circulating online.
‘Avengers: Doomsday’ is scheduled to arrive in movie theatres on December 18, 2026. Marvel Studios has not issued any public statement on the leaked footage as of publication.