Avengers: Secret Wars Rumors Claim Robert Downey Jr. Will Return As Tony Stark - But Is It A Good Idea?

Avengers: Secret Wars Rumors Claim Robert Downey Jr. Will Return As Tony Stark - But Is It A Good Idea?

Rumors persist that Robert Downey Jr. will be back as Tony Stark in Avengers: Secret Wars, but will fans accept this return following the events of Avengers: Endgame?

Feature Opinion
By MarkCassidy - Nov 06, 2026 10:11 AM EST
Filed Under: Avengers: Secret Wars

In one of the most surprising - not to mention divisive - Comic-Con announcements yet, we learned that Robert Downey Jr. would be returning to the Marvel Cinematic Universe as Doctor Doom in Avengers: Doomsday during Marvel Studios' Hall H presentation back in 2024.

Rumors had claimed that RDJ would be playing an evil Multiversal variant of Tony Stark, but the actor was introduced as "Victor Von Doom," and follow-up comments from the Oppenheimer star seemed to confirm that he has indeed been cast as an entirely new character.

Over the past couple of years, fans have been weighing up the pros and cons of Downey being reintroduced to the MCU as Doctor Doom, and while a lot of people did initially have some concerns that this was blatant stunt casting, many have been won over by seeing the villain in action in the Doomsday trailers and learning more about the movie's plot.

Whether Doom turns out to be an alternate universe Iron Man who went down a darker path or a completely new character (the Russo Brothers have indicated that we will eventually find out why he resembles Stark), most fans seem to be on board with RDJ's casting at this stage - but what if he also returns as Tony Stark?

Though this isn't the first (or second) time we've heard this, MTTSH has repeated the rumor that Downey will be back as Iron Man for Avengers: Secret Wars. Doom is one thing, but if he does step back into his most iconic role, many feel that it will tarnish the character's powerful send-off in Avengers: Endgame.

Sure, plenty of characters have been killed off in superhero movies only to be resurrected in some form or fashion, but Stark's was the one that was supposed to stick. Iron Man gave his life so that the universe could be restored following Thanos' genocidal actions, so how could bringing him back - even as a variant - do anything but cheapen that sacrifice?

An argument could be made that enough time has passed, and we are far enough removed from the events of Endgame that Stark could return with his heroic legacy intact. But if everything can be undone, why should we care about anything?

Marvel recently rereleased Endgame (for the second time), and for many, the fact that "Encore" was marketed as "essential viewing" before Doomsday left a bad taste - especially when the new scenes added very little and one, in particular, only detracted from the original ending.

Some of the new material worked well enough as teases for what's to come, but the one additional sequence that really stood out is Loki calling on Steve Rogers and Peggy Carter immediately after they share their kiss at the very end of the original theatrical cut.

Does this moment that finally gave the former Captain America his happy ending after he sacrificed a life with his true love in The First Avenger still hit the same now that we know Rogers will be dragged back into the fight in Doomsday?

How would you feel about RDJ reprising the role of Tony Stark in Secret Wars?

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.

Avengers: Doomsday Commercial Unveils Latveria & Castle Doom; First Look At Villain's Book Of Spells
Related:

Avengers: Doomsday Commercial Unveils Latveria & Castle Doom; First Look At Villain's Book Of Spells

Avengers: Doomsday Promo Art Reveals Epic MCU Team-ups And A First Look At Doctor Doom's Doom Guard
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Avengers: Doomsday Promo Art Reveals Epic MCU Team-ups And A First Look At Doctor Doom's "Doom Guard"

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FireGunn
FireGunn - 11/6/2026, 10:01 AM
Desperate times calls for desperate measures. Nostalgia bait slop

Reboot the MCU and DCU
dragon316
dragon316 - 11/6/2026, 11:56 AM
@FireGunn - they been desperate after end game
IAmAHoot
IAmAHoot - 11/6/2026, 10:05 AM
Yes, it’s a good idea. When have the Russo’s misused him?
MarkCassidy
MarkCassidy - 11/6/2026, 10:09 AM
@IAmAHoot - They haven't... but that's beside the point!
IAmAHoot
IAmAHoot - 11/6/2026, 10:14 AM
@MarkCassidy - Even I would say though, short of making him a (relative) main character, I don’t yet envision how they would do it proper justice aside from just being excited to see him. He’d have to be more substantial to warrant it.
Urubrodi
Urubrodi - 11/6/2026, 10:15 AM
@MarkCassidy - No... that is the point lol If there is a good reason within the story to bring him back, either through a variant or another way, and it's executed well, then it's not a problem. If it's bringing him back for the sake of nostalgia alone then it will be an issue. And like he said, so far they haven't misused him... cause obviously that at some point the character would return in some form, they can't just leave Iron Man dead forever lol
MarkCassidy
MarkCassidy - 11/6/2026, 10:39 AM
@Urubrodi - It doesn't matter what story they come up with or how well he's used; the point is, the only reason they'd bring Stark back - just like they brought Rogers back - is because the MCU took a massive nosedive without them, and the characters they hoped would successfully carry on the franchise were not accepted by the fanbase.
Matchesz
Matchesz - 11/6/2026, 10:06 AM
This would be cool if Doom was played by Mads Mikkelson
Bucky74
Bucky74 - 11/6/2026, 10:12 AM
@Matchesz - He’s been my dream pick for decades. Anyone who has seen his work or watch him in Hannibal known he’s perfect. They wasted him as that Dr. Strange villain but a retcon could have made him victor all along or simply the variant thing. He can play regal and menacing genius in his sleep
Matchesz
Matchesz - 11/6/2026, 10:18 AM
@Bucky74 - them casting RDJ as Doom pissed me off for the reason that he can double dip but Mads cant ? RDJ costs like 80% more
IAmAHoot
IAmAHoot - 11/6/2026, 10:18 AM
@Matchesz - That missed opportunity has been mentioned by so many people… and even just when he was cast in Doctor Strange alone; never mind still being brought up to this day. He truly would have been excellent! Kaecillius was just a placeholder villain.
Bucky74
Bucky74 - 11/6/2026, 10:19 AM
@Matchesz - Absolutely agree! No question it’s stunt casting whereas Mads would kill that role like no one else.
Truebeliever333
Truebeliever333 - 11/6/2026, 10:22 AM
@Matchesz - BINGO!
Truebeliever333
Truebeliever333 - 11/6/2026, 10:24 AM
@Matchesz - And Mads had small, forgettable role in one movie. The material just wasn’t there for him to make it memorable. And he’d look different as Doom.
Matchesz
Matchesz - 11/6/2026, 10:29 AM
@Truebeliever333 - it would also make a lil more sense for Kacilius to be a Doom variant than Ironman, Superior Ironman should be the villain variant of Tony not Doom. Still hoping they dont go that route
Truebeliever333
Truebeliever333 - 11/6/2026, 10:32 AM
@Matchesz - Agreed and good call.
Kahron0
Kahron0 - 11/6/2026, 10:53 AM
@Matchesz - That would still be reusing an actor who played another role in the MCU previously though.

Before people bring up that Kaecillius was a smaller role than Tony Stark. That argument is what kind of undercut the stunt casting criticism. It shows that people are fine with reusing actors/actresses on principle if it matches their fancasting. Just like people would recognize Dr. dooms face has looking like Tony Starks, Doctor Strange and Wong would also recognize Doom’s face as Kaecillius.

The issue that not being spoken about is more so that people are unable of seeing Robert Downey Jr. play any other role in the MCU than Tony Stark.
Truebeliever333
Truebeliever333 - 11/6/2026, 11:02 AM
@Kahron0 - There are other Central and Eastern European actors in addition to Mads. And Mads had a very forgettable role in one movie whereas RDJ was a huge part of the MCU and in 9 movies.
UceOmega
UceOmega - 11/6/2026, 11:45 AM
@Matchesz - Oh snap it should have been him!!
Malatrova15
Malatrova15 - 11/6/2026, 10:08 AM
@SCOTTHZ972 - jeet ? We dont allow racism here son
Malatrova15
Malatrova15 - 11/6/2026, 10:07 AM
Who cares , blue wave destroyed the coubtry
OneMoreTime
OneMoreTime - 11/6/2026, 10:34 AM
@Malatrova15 - America Lives Texas Deep Blue.

User Comment Image
Malatrova15
Malatrova15 - 11/6/2026, 10:38 AM
@OneMoreTime - be honda civic
bobevanz
bobevanz - 11/6/2026, 10:45 AM
@Malatrova15 -
User Comment Image
OneMoreTime
OneMoreTime - 11/6/2026, 10:45 AM
@Malatrova15 -

User Comment Image
Matchesz
Matchesz - 11/6/2026, 11:20 AM
@OneMoreTime - crude oul prices mysteriously dropped the day after the election, almost as if it was artificially manipulated to sway an election hmm, not that any of you donkeys even care..
OneMoreTime
OneMoreTime - 11/6/2026, 11:26 AM
@Matchesz - Looks like Oil Companies wanted Democrats back in control.

Republicans are Deficit Kings.
Matchesz
Matchesz - 11/6/2026, 11:29 AM
@OneMoreTime - how was a blue wave able to happen if Trumps a king and a fascist. You guys cant read between the lines and most ppl voted for this graduated HS on zoom lol. Also outside influence on an American election and terrorists are celebrating lol
Matchesz
Matchesz - 11/6/2026, 11:31 AM
you wanna invade a country u fck up the peoples pockets. Dr Doom would approve
OneMoreTime
OneMoreTime - 11/6/2026, 11:42 AM
@Matchesz - 911 Happened under George W. Bush and Republicans watch. The birth the of the Iraq WMD 10-Year War.

"American election and terrorists are celebrating lol"

User Comment Image
Matchesz
Matchesz - 11/6/2026, 12:01 PM
@OneMoreTime - yes thats what I said, you’re not Ray Liotta you probably snort when you laugh. Aw did Hollywood teach you terrorists are the good guys 🥺
IronMan616
IronMan616 - 11/6/2026, 10:07 AM
Enough time has passed. I've already seen multiple Spider-Men Jokers, Batmen, Supermen, Lokis, etc since Iron Man died.

Bring him back as variant, then as a recast.
MyCoolYoung
MyCoolYoung - 11/6/2026, 10:08 AM
Yes. Secret wars gives you an opportunity to have all your toys in one sandbox. This was always going to happen
SCOTTHZ972
SCOTTHZ972 - 11/6/2026, 10:09 AM
This has been going through my head all freaking DAYYYYYYYYYYYYY, you're welcome!

DocSpock
DocSpock - 11/6/2026, 10:12 AM

This just gives me a headache.

It's what I get for thinking hard. Tequila and cookies should fix it.

SuperiorHeckler
SuperiorHeckler - 11/6/2026, 12:24 PM
@DocSpock - In the immortal words of Homer Simpson: "To alcohol! The cause of, and solution to, all of life's problems.” 🥴
Repian
Repian - 11/6/2026, 10:15 AM
User Comment Image
TheVisionary25
TheVisionary25 - 11/6/2026, 12:08 PM
@Repian - I would have loved that if RDJ wasn’t already playing Doom tbh

I know it’s different characters but still.
muldoon
muldoon - 11/6/2026, 10:15 AM
Did they do the exact same thing with Hugh Jackman's wolverine? He was killed off and then a variant was brought back?
MarkCassidy
MarkCassidy - 11/6/2026, 10:21 AM
@muldoon - Pretty much... you could argue that Jackman was brought in from an older universe and Deadpool and Wolverine mostly treated the whole thing as a joke. That did still tarnish the ending of Logan for some.
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