Marvel StudiosThe Russo Brothers have just uploaded a cryptic Instagram post, and only one thing is clear: Avengers: Doomsday is coming.
Doomsday is one of Marvel’s most mysterious projects ever; certainly more so than Infinity War and Endgame, where everyone had a vague idea of what would happen. Unlike the past saga, we know very little about why everything is happening.
Here’s what we do know: Robert Downey Jr is returning to the MCU to play Doctor Doom, there are 26 confirmed actors in the cast, the original X-Men (Patrick Stewart, James Marsden, and Ian McKellen, etc) are reprising their roles, and it’ll set up Avengers: Secret Wars.
Marvel has been tight-lipped about the film, but Joe and Anthony Russo have given fans a tiny taste of what’s to come.
Russo Brothers tease Avengers: Doomsday in new post
The blurry image shows some white, squiggly lines, and it’s captioned: “DoomsdayIsComing.” Notably, Josh Brolin has already liked it, which could be good for people hoping to see Thanos one more time (especially if they adapt an iconic panel from the comics).
So, what is it? Some people think it’s teasing Moon Knight’s role in Doomsday, others believe it has something to do with Scarlet Witch. No disrespect to the latter camp, but they’d attribute almost anything to Wanda; they just want to see her back in the MCU, and that’s fine.
Here’s what it (probably) is: a photo of Reed Richards’ chalkboard, and it may be blurred out as it could reference Doctor Doom and/or incursions.
“Yall it’s the f**king whiteboard that Reed was using,” one user wrote. “What is Reed cooking up on the board???” another posted. “That’s just the smartest man in the world working like a Tuesday at the Baxter Building,” a third wrote.
So, what could he be jotting down? Equations regarding incursions are the most likely option, given they’re expected to be Doom’s main motivator in Doomsday. For those who aren’t aware what an incursion is, it’s when two universes collide, and at least one is destroyed completely.
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There’s been a long-running theory that Steve returning all of the Infinity Stones at the end of Endgame caused an incursion, and Doom may be trying to stop him – or possibly even avenge his world.
It’s also been theorized that Doom will pit the Avengers against the X-Men, and the movie could even end with their deaths (or some of them, at least, with a few staying on for Secret Wars). And that’s before we get to Deadpool…
Avengers: Doomsday hits cinemas on December 18, 2026. Until then, check out our rundown of every upcoming Marvel project.