Avengers: Doomsday Rumor: A Detailed Breakdown Of The Movie Has Leaked Online - Spoilers

Avengers: Doomsday Rumor: A Detailed Breakdown Of The Movie Has Leaked Online - Spoilers

We've seen a few supposed leaked plot breakdowns for Avengers: Doomsday at this stage, and while this latest one could also be fake, it certainly makes for an intriquing read...

By MarkCassidy - Jul 30, 2026 08:07 PM EST
Filed Under: Avengers: Doomsday

There have been a number of rumored Avengers: Doomsday plot leaks over the past few months, but several insiders believe that the most recent one was largely accurate aside from a few inconsistencies. Now, a far more detailed breakdown of the movie has been shared on Reddit.

While this does read as if it could very well be legit, it's entirely possible that someone took the previous plot description and filled in the blanks with the various other rumors that have been circulating. That said, there are a few minor details (the Fantastic Four cartoon; Reed signing an autograph, etc) that usually wouldn't find their way into a fake breakdown that lead us to believe that this is the real deal.

Assuming this is accurate, be warned of major - and we do mean major - spoilers from this point on.

If you've read the other leak, you'll know the basic outline, but this breakdown is a lot more extensive. We'll let you have a read through it for yourselves, but here are a few points of interest:

Major deaths: Nightcrawler, Mystique, Loki, Bucky Barnes, and Steve Rogers' son, James.

The identities of Doom's Latverian Witches: Death, Clea and The Ancient One.

Namor and Sue Storm: Invisible Woman reportedly brokers a treaty between Wakanda and the Talocans, catching the Sub-Mariner's eye in the process (the attraction is said to be one-sided, however).

Hulk vs. The Thing: The long-awaited big-screen clash between Ben Grimm and a variant of the Green Goliath is said to take place in the third act.

The final battle: As previously reported, Doom emerges victorious after establishing Battleworld, with most of Earth's Mightiest Heroes either serving the villain after having their memories wiped, displaced in other timelines, or dead.

In the post-credits scene, we learn that Wolverine and Tobey Maguire's Spider-Man have survived the Incursions with their memories intact.

Avengers: Doomsday and Avengers: Secret Wars were hit with significant delays last year, with Doomsday now set to arrive in theaters on December 18, 2026, and Secret Wars positioned for December 17, 2027.

Both movies will be directed by the Russo brothers, who also make their MCU return after helming Captain America: The Winter Soldier, Captain America: Civil War, Avengers: Infinity War and Avengers: Endgame. 

"Universes collide and the Multiverse Saga begins its final chapter in Marvel Studios’ Avengers: Doomsday. Beloved heroes from three distinct universes will be set on a deadly collision course and ultimately face an existential threat unlike anything they’ve ever encountered. This epic film will lay the foundation for the future of the Marvel Cinematic Universe."

Doomsday will star:

Paul Rudd as Ant-Man, Simu Liu as Shang-Chi, Tom Hiddleston as Loki, Lewis Pullman as Sentry, Florence Pugh as Yelena, Danny Ramirez as Falcon, Ian McKellen as Magneto, Sebastian Stan as Bucky, Winston Duke as M’Baku, Chris Hemsworth as Thor, Kelsey Grammer as Beast, James Marsden as Cyclops, Channing Tatum as Gambit, and Wyatt Russell as U.S. Agent

Along with Vanessa Kirby as Sue Storm, Rebecca Romijn as Mystique, Patrick Stewart as Professor X, Alan Cumming as Nightcrawler, Letitia Wright as Black Panther, Tenoch Huerta Mejia as Namor, Pedro Pascal as Reed Richards, Hannah John-Kamen as Ghost, Joseph Quinn as Johnny Storm, David Harbour as Red Guardian, Ebon Moss-Bachrach as The Thing, Anthony Mackie as Captain America, and, of course, Robert Downey Jr. as Doctor Doom.

About The Author:
MarkCassidy
Member Since 11/9/2008
Mark Cassidy is a writer, photographer, amateur filmmaker, and Rotten Tomatoes-approved critic from Dublin, Ireland.
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harryba11zack
harryba11zack - 7/30/2026, 8:24 PM
"the attraction is said to be one-sided"
thats wat u get 4 being a eunuch with love handles
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YonnyLayna
YonnyLayna - 7/30/2026, 10:06 PM
@harryba11zack - Tenoch has a third leg 🤣
harryba11zack
harryba11zack - 7/30/2026, 11:39 PM
@YonnyLayna - had, Disney ordered it to be removed
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HashTagSwagg
HashTagSwagg - 7/30/2026, 8:31 PM
"Bucky dies"

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Bucky74
Bucky74 - 7/30/2026, 8:45 PM
@HashTagSwagg - Killing Steve’s son is even worse. That’s way too dark. Waaay to dark. Seriously, that’s going to really turn off a lot of casual fans and families. I really hope that’s a fake out
abd00bie
abd00bie - 7/30/2026, 8:49 PM
@Bucky74 - Are these the snowflakes people talk about? They'll get over it
DraculaX
DraculaX - 7/30/2026, 10:42 PM
@HashTagSwagg - he's jumping ship to DC lol
HashTagSwagg
HashTagSwagg - 7/30/2026, 10:59 PM
@DraculaX - A least it's Reeve's ship and not Gunns, that ones sinking faster.
Bucky74
Bucky74 - 7/31/2026, 12:09 AM
@abd00bie - “Snowflakes” because we think killing Steve and Peggy’s child is a stupid move and way too dark? Because that’s a pretty dumb ass take TBH
UltronIO
UltronIO - 7/31/2026, 4:51 AM
@Bucky74 - Not to mention it's a plot device that ruins Cap's ending in Endgame and simultaneously ruins Doom's origin in one fell swoop.
TheAstoundingMan
TheAstoundingMan - 7/31/2026, 9:11 AM
@Bucky74 - Is this some conservative pro-life thing? Because that's the vibe I'm getting.
Bucky74
Bucky74 - 7/31/2026, 9:51 AM
@ObserverIO - Exactly. Children should be precious to Doom. If anything kidnapping Steve’s kid makes more sense because he can then force him to work with him. After an act like that you lose the entire “I can see things from Dooms POV too” aspect. It will turn a LOT of fans both hardcore and casual off and lose families for repeat viewings
Bucky74
Bucky74 - 7/31/2026, 9:52 AM
@TheAstoundingMan - It’s a “Don”t kill children thing” you moron. Especially a child of the hero most care about most. Why, you have no problem with child killing?
Feralwookiee
Feralwookiee - 7/30/2026, 8:33 PM
This sound like total garbage if true.
Also, if that rumor about Doom killing Steve's infant son is actually legit, people are gonna be pissed.
That goes waaaay too far just for cheap shock value.
Bucky74
Bucky74 - 7/30/2026, 8:48 PM
@Feralwookiee - Just saw this. I said the same thing! It’s way overboard and will piss off hardcore and casual fans to the point where it will backfire. It’s horror movie dark and too far. The smartest thing they can do is make it a fake out but it doesn’t sound like it
1stDalek
1stDalek - 7/30/2026, 8:53 PM
@Feralwookiee - Yeah I don't think they can get away with murdering a baby character, even if he's just snapped into dust or magic sparkles so it's not a graphic thing. People would find it distasteful at best.
SonOfAGif
SonOfAGif - 7/30/2026, 9:39 PM
@Bucky74 - Weren't you all the same bunch that claimed the MCU was too kiddie and didn't have stakes because nobody died? Now it's too dark?
YonnyLayna
YonnyLayna - 7/30/2026, 10:08 PM
@SonOfAGif - Babies Are safe almost on everything except very dark dramas or very dark horror films
Bucky74
Bucky74 - 7/31/2026, 12:12 AM
@SonOfAGif - I never said that genius. Killing Steve and Peggy’s kid is totally incongruous with even the most dark takes in the MCU and will rightfully infuriate fans. Red Guardian and M’Baku are useless characters that can go and Bucky’s death accomplishes the same thing without child murder
Batmangina
Batmangina - 7/30/2026, 8:37 PM
MEMBERBERRY III: THE UNDERWHELMING

Y'all better go see Spidey 4 or 5 times. It's gonna be a long time between web-slingings...

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UltronIO
UltronIO - 7/31/2026, 4:54 AM
@Batmangina - This is gonna be even more underwhelming than Memberberry 1.5: The Multiverse of Madness.
Nonameforme
Nonameforme - 7/30/2026, 8:43 PM
That all sounds really really bad.
SADFFLECK
SADFFLECK - 7/30/2026, 9:31 PM
@Nonameforme - the whole Schtick of Rdj back as Doom still sets me off ngl.
I'm pretty tepid overall on this.
jst5
jst5 - 7/30/2026, 10:58 PM
@Nonameforme - My question is this....since the FF knows what Doom looks like without the mask are they not going to tell the MCU world that Stark and Doom look just a like once they see something of Stark???
Nonameforme
Nonameforme - 7/30/2026, 11:38 PM
@SADFFLECK - why not bring back a wasted villain from the of the first 3 phases? I'd even settle for malekith the dark elf to come back as doom over rdj.
Nonameforme
Nonameforme - 7/30/2026, 11:40 PM
@jst5 - its a whole chekovs gun situation if they don't address it. Otherwise we're the only ones who know which is stupid. I would expect that level of stupid from a zack Snyder movie. Coughs in Martha.
Patient2670
Patient2670 - 7/31/2026, 12:30 AM
@Nonameforme - Chekov"s Gun. That's a deep cut. Well played.
UltronIO
UltronIO - 7/31/2026, 4:56 AM
@Nonameforme - Or you know, somebody else as Doom.
Nonameforme
Nonameforme - 7/31/2026, 7:28 AM
@ObserverIO - literally anyone
Nonameforme
Nonameforme - 7/31/2026, 7:29 AM
@Patient2670 - I do what I can
BiffDitko
BiffDitko - 7/30/2026, 8:48 PM
Is there a link to read this orginal summary in a way that doesn't involve having to use X?
Malatrova15
Malatrova15 - 7/30/2026, 10:24 PM
@BiffDitko - X is amazing , you just want Hezbollah and Hamas to ocupy land that was promised to us
DraculaX
DraculaX - 7/30/2026, 10:43 PM
@BiffDitko - it was on Reddit. But it's gone
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