What might happen
Will Doomsday lead into Secret Wars?
Does Avengers: Doomsday lead into Secret Wars? Yes - here's how the two films connect, why Doomsday is really part one, and what the 2027 finale is set up to deliver.
Yes - not a theory, a fact. Avengers: Secret Wars is dated for December 17, 2027, the Russos direct both, and they were announced together as a two-part climax. Doomsday is literally part one.
Some questions on this site are genuine coin-flips. This one isn’t. Avengers: Doomsday leads into Avengers: Secret Wars - and we don’t have to predict it, because Marvel has already told us, out loud, with a release date attached: December 17, 2027.
But “they’re connected” undersells what’s actually happening. These aren’t two films that happen to share a villain. They’re one enormous story deliberately split down the middle - and understanding how the halves fit together tells you almost everything about where the saga is heading.
The receipts
Both films were unveiled together at San Diego Comic-Con in July 2024, announced in the same breath, with the Russo brothers attached to direct both back-to-back. If that structure sounds familiar, it should: it’s the exact playbook Marvel ran with Infinity War and Endgame - one creative team, two chapters, roughly a year apart. That pairing is the most successful two-part story in blockbuster history, and Marvel is running it back on purpose. Doomsday sets the board; Secret Wars flips it over.
The two-part structure isn’t just a scheduling trick, either - it’s what lets Marvel do the unthinkable in the first film. Because a second movie is already booked, Doomsday is free to end in catastrophe: to let the villain win, to kill heroes, to leave the universe broken, knowing the rescue arrives next winter. A standalone film can’t get away with that. A part one can.
Doom is the bridge
The connective tissue holding the halves together is Victor von Doom, and the reason runs straight back to the comics. In Marvel’s 2015 Secret Wars event - the story these films are named after - Secret Wars is Doom’s story. He exploits a collapsing multiverse to steal the power of god-like beings and reassembles the shattered remains of dead realities into a single patchwork planet called Battleworld, where he rules as a literal deity (the comic, explained).
Map that onto the two films and the shape is obvious. Doomsday is where Doom rises and reality begins to crack. Secret Wars is where the survivors wake up inside the broken, remade world he’s built - and have to find a way to tear it down. The first film is the fall; the second is the climb back out.
The road here hasn’t been smooth, which only sharpens the anticipation. Both films were pushed back from their original dates as Marvel retooled - Doomsday slid from a planned spring 2026 slot to December - and the whole project weathered a change of villain, a change of writers, and a very public course-correction (the Kang-to-Doom pivot). By the time the first trailer finally landed in July 2026, the pressure on these two films had become enormous: they aren’t just a finale, they’re Marvel’s answer to years of “is the MCU losing it?” discourse. That’s a lot to hang on one story - but it’s exactly why the studio reached for its heaviest artillery, from the Russo brothers to Robert Downey Jr. to the single most revered event in modern Marvel comics. When a franchise needs to remind the world why it mattered, it doesn’t do it quietly. It does it with Secret Wars.
What the hand-off looks like
So what should you expect at the seam between them? Three things:
- A cliffhanger, not a clean win. Like Infinity War, Doomsday almost certainly ends on a loss - Doom on top, the heroes scattered (will Doom win?).
- Incursions - universes colliding and dying - as the ticking clock that carries the threat from one film into the next (incursions explained).
- A likely soft reset waiting on the far side of Secret Wars, one that finally folds the X-Men and the Fantastic Four into a single, unified MCU (will the MCU reboot?).
It’s worth appreciating how long Marvel has been walking toward this. “Battleworld” and the idea of a company-wide Secret Wars have been fan touchstones for forty years - the original 1984 event was one of the first great comic crossovers, and the 2015 version is regarded as one of the most ambitious stories Marvel has ever published. Naming your two-film finale after it is a statement of intent: this is meant to be the biggest thing the studio has attempted since Endgame, the payoff to the entire Multiverse Saga. The incursions seeded across recent films, the chaos of Doctor Strange and Loki, the careful assembly of a new roster - all of it has been quietly pointing here.
Our call: confirmed. This isn’t a maybe. Doomsday and Secret Wars are two halves of one story, released a year apart, bridged by a single villain, building toward a reset of the whole franchise. The only real mysteries are how Doom breaks reality in part one - and what’s left standing when the survivors put it back together in part two.