David Harbour Teases "Enormous" AVENGERS: DOOMSDAY: "I've Never Seen Anything Like This"

David Harbour Teases "Enormous" AVENGERS: DOOMSDAY: "I've Never Seen Anything Like This"

Thunderbolts* star David Harbour has hyped up Avengers: Doomsday, admitting he was shocked by the sheer scale of the movie and what the Russo Brothers have brought to the table. Read on for details...

By JoshWilding - Sep 08, 2025 05:09 AM EST
Filed Under: Avengers: Doomsday
Source: Screen Rant

David Harbour has quickly become an MCU mainstay, racking up appearances in Black Widow, What If...?, and Thunderbolts*. As a member of the New Avengers—or should that be New Avengerz?—he'll return as Red Guardian in Avengers: Doomsday

At the very least, fans will want to see Alexei Shostakov finally meet Captain America, something that's looking increasingly likely amid reports that Chris Evans will return as Steve Rogers

Talking to Screen Rant at Rose City Comic Con, Harbour reflected on his experience shooting Avengers: Doomsday, comparing it to the quality and scale of Marvel Studios event movies like Captain America: Civil War and Avengers: Infinity War

"I was not even convinced when we started, and this movie's gonna be really good. They have a special sauce," the actor teased. "I don't even really understand, but they [the Russos] just know how to do these things."

"I think that, as evidenced in Civil War, as evidenced in Infinity War, there's something about the layers in which they put the comedy and the drama and the surprises and the scale and the epicness and all that stuff. It's incredible," Harbour continued. "I will say I've never been on a set like this in my life. I've never seen anything like this."

"You saw those chairs. So it's like, every one of those guys and girls has a trailer. It's just insane to look around the room and be like, 'Oh my god, I'm in the movie. There's what's his face doing that speech.' It's just enormous," he added. 

It's hard to imagine Red Guardian having the biggest role in Avengers: Doomsday, and the post-credits scene for Thunderbolts* indicated that the movie will utilise him in a comedic capacity.

The Russo Brothers have laid the groundwork for there being a conflict between the New Avengers and Sam Wilson's Avengers teams, so that's likely to also come into play next December.

Avengers: Doomsday stars Chris Hemsworth, Anthony Mackie, Winston Duke, Tom Hiddleston, Sebastian Stan, Letitia Wright, Paul Rudd, and Robert Downey Jr. Wyatt Russell, Simu Liu, Tenoch Huerta Mejia, Florence Pugh, Danny Ramirez, David Harbour, Hannah John-Kamen, and Lewis Pullman all make their Avengers franchise debuts in the movie. 

The Fantastic Four: First Steps leads Pedro Pascal, Vanessa Kirby, Ebon Moss-Bachrach, and Joseph Quinn join them, as do X-Men franchise stars Kelsey Grammer, Patrick Stewart, Ian McKellen, Alan Cumming, Rebecca Romijn, James Marsden, and Deadpool & Wolverine star Channing Tatum.

Chris Evans, Hayley Atwell, and Ryan Reynolds are also set to appear, according to recent reports from the trades. 

The Russo Brothers direct the movie from a screenplay by Stephen McFeely, with whom they previously collaborated on the Avengers and Captain America franchises. Loki and Doctor Strange in the Multiverse of Madness's Michael Waldron is also working on the script.

Avengers: Doomsday is set to be released on December 18, 2026, with Avengers: Secret Wars scheduled to arrive on December 17, 2027.

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IAmAHoot
IAmAHoot - 9/8/2025, 5:47 AM
Their enthusiasm for the work is awesome. The rumor mill wants to take that away at every turn; and usually just for attention.
SteviesRightFoo
SteviesRightFoo - 9/8/2025, 5:54 AM
Maybe he's used to working on projects with a finished script
vectorsigma
vectorsigma - 9/8/2025, 6:06 AM
@SteviesRightFoo - lolz, my thoughts exactly. Or he isnt used into acting all by himself 😭
SteviesRightFoo
SteviesRightFoo - 9/8/2025, 6:40 AM
@vectorsigma - 🤣 its such a pity how far the genre is fallen
Yellow
Yellow - 9/8/2025, 7:04 AM
@SteviesRightFoo - You know there's a lot of movies that went on with unfinished scripts right?

It's not something uncommon actually.

Gladiator and Casablanca for example, so...
Comicmoviejunki
Comicmoviejunki - 9/8/2025, 6:00 AM
I have. It was called Avengers endgame.
vectorsigma
vectorsigma - 9/8/2025, 6:06 AM
He hasnt watched Ne Zha 2 then
BeyondtheFuture
BeyondtheFuture - 9/8/2025, 6:12 AM
Cool but what else would they say? “This one feels much smaller than Endgame, we’ve not got a finished script so we’re kind of just winging it, the schedules for my fellow actors haven’t lined up properly and everyone’s super busy so often I’m filming in an empty green screen space trying to figure out who I’m supposed to be talking to. We’re filming multiple versions of scenes not just to keep the secrets but also because they haven’t yet managed to secure contracts for major characters we need for certain versions of the story. But yeah it’s gonna be great…we hope.”
IAmAHoot
IAmAHoot - 9/8/2025, 6:25 AM
@BeyondtheFuture - The past 2 (and a half - Civil War) Avengers movies operated the same way. But stress yourself further…
TheVisionary27
TheVisionary27 - 9/8/2025, 6:30 AM
@BeyondtheFuture - exactly 😆😆
HelloBoysImBack
HelloBoysImBack - 9/8/2025, 6:31 AM
Quality trumps quantity unless it's a buffet breakfast
SteviesRightFoo
SteviesRightFoo - 9/8/2025, 6:41 AM
@HelloBoysImBack - what was the last quality one we got? Infinity war?
gambgel
gambgel - 9/8/2025, 6:42 AM
the only person who have said (too many damm times) that the movie didnt have a finished script was DanielRpk.

the only one.

and the whole net run with it, like if he knew everything about this movie and the internal proccess.

spoiler. He doesnt.
Yellow
Yellow - 9/8/2025, 7:07 AM
@gambgel - and unfinished scripts is something way more common and people on this site think, actually.

This site is full of entitled brats that don't actually like these movies and just want to be where the hatetrain is.
vectorsigma
vectorsigma - 9/8/2025, 7:27 AM
@gambgel - Gunn mandating a finished script is telling that it has been Marvel's bread and butter
SuperCat
SuperCat - 9/8/2025, 6:42 AM
User Comment Image
TheVisionary25
TheVisionary25 - 9/8/2025, 7:05 AM
Say what you want about the Russo’s recent work or even Marvel Studios nowadays but the collaboration between them in regards to the four films they did together prior to Doomsday were truly magic…

It just seemed to be a perfect match where one could cover for the others weaknesses & such so I hope that success translates to this and Secret Wars aswell.

User Comment Image

In regards to Harbour’s Alexei , I don’t think he’ll have a big role but I am looking forward to seeing him in Doomsday since I enjoy the character…

On the surface he may seem like a comedic character but he has his moments & scenes that show a hidden depth underneath of someone loving for their glory dads aswell as trying to be a good dad which work for me!!.
WEAPONXOXOXO
WEAPONXOXOXO - 9/8/2025, 8:08 AM
i love David Harbour. Glad he's getting this chance.
GirshwinDavies
GirshwinDavies - 9/8/2025, 8:16 AM
Guess he never saw Infinity War or Endgame

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