AVENGERS: DOOMSDAY Star Simu Liu Thinks "Everyone Will Be Blown Away" By Robert Downey Jr.'s Doctor Doom

AVENGERS: DOOMSDAY Star Simu Liu Thinks "Everyone Will Be Blown Away" By Robert Downey Jr.'s Doctor Doom

In a new interview, Shang-Chi star Simu Liu discusses his MCU return for Avengers: Doomsday, and what it's been like working alongside Robert Downey Jr. as Doctor Doom...

By MarkCassidy - Sep 02, 2025 01:09 PM EST
Filed Under: Avengers: Doomsday

We haven't seen or heard from Simu Liu's Shang-Chi since he made his MCU debut in his own solo movie, Shang-Chi and The Legend of the Ten Rings, back in 2021, but we have repeatedly been assured that Marvel Studios does have big plans for the character.

There's been no official word on a sequel since it was announced shorty after the first movie's release, but Liu remains confident that it is "definitely" going to happen, and we now know that the Master of Kung Fu will play a role in Avengers: Doomsday.

During a new interview with The River, Liu spoke about what it's been like working with such a huge ensemble on the massive MCU event movie.

"Every day feels like a dream," he told the Japanese publication. "I get to go to work and work with people I respect and admire. Some of them are actors I watched when I was little, even before I wanted to be an actor. My emotions are a mix of great feelings and excitement, as well as fear and anxiety. I'm human, after all. I'm with some amazing people, so I do feel anxious at times. But everyone is so wonderful, and it doesn't really feel like work every day."

Liu specifically mentioned Robert Downey Jr., praising the Oscar-winner for being "such a kind, generous, and inspiring person" on set. The Shang-Chi star also believes that fans are going to be "blown away" by RDJ's take on Doctor Doom.

"He's been an integral part of Marvel's success and has been in so many films over the years, yet he still takes the time to meet and connect with so many people. Because he's played such a diverse range of roles, I think everyone will be blown away by the way he tackles this new character in this film."

According to a recent rumor, Shang-Chi was going to have a major role in Avengers: The Kang Dynasty before Marvel pivoted to Doom. We're not sure if this is still the case, but we have heart that he will be important to the plot.

Avengers: Doomsday and Avengers: Secret Wars were recently hit with significant delays, 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

"Being able to create stories and explore characters within the Marvel Universe fulfilled a life-long dream of ours, and we discovered a powerful connection with audiences in each film that we made. We’re thrilled to collaborate once again with Kevin, Lou and the entire Marvel team to bring this epic adventure in storytelling to new and surprising places for both the fans and ourselves”, said The Russos in a statement after the SDCC panel.

You can check out the full (for now) Doomsday cast list below.

• 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

• Wyatt Russell as U.S. Agent

• 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

• Robert Downey Jr as Doctor Doom

• Ebon Moss-Bachrach as The Thing

• Anthony Mackie as Captain America

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Thing94
Thing94 - 9/2/2025, 1:47 PM
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DocSpock
DocSpock - 9/2/2025, 1:54 PM

I like Liu. I think he's a good actor. Though he wasn't given much quality scripting/direction to work with in Shang-chi.
mountainman
mountainman - 9/2/2025, 2:10 PM
@DocSpock - He’s a likable enough actor, but the crying about boba tea made him look like a soft overly offended pansy.
DocSpock
DocSpock - 9/2/2025, 2:27 PM
@mountainman -

Yeah, he probably drinks whining pu$$y tea.
Urubrodi
Urubrodi - 9/2/2025, 2:32 PM
@DocSpock - Shang Chi was one of the stronger movies in phase 4, the biggest problem to me is that they haven’t used the character since
DocSpock
DocSpock - 9/2/2025, 2:35 PM
@Urubrodi -

That's a low bar. If the movie hadn't ended so badly, we probably would have seen him again before now.
mountainman
mountainman - 9/2/2025, 2:52 PM
@Urubrodi - Second best behind No Way Home. And if it wouldn’t have had such a bad 3rd act, it would have been the best phase 4 movie. Katy, Trevor, and the silly CGI battle at the end were the only things that really brought it down.
MotherGooseUPus
MotherGooseUPus - 9/2/2025, 5:19 PM
@mountainman - i didnt mind trevor, but 100% agree on the other 2. that CGI monster slopfest really dragged the movie down for me and felt like a different movie altogether
mountainman
mountainman - 9/2/2025, 6:07 PM
@MotherGooseUPus - The only good part of the 3rd act was the stuff between Shang Chi and his dad.

I even didn’t enjoy the little eyeless creature that was obviously only included to try to sell toys.
bkmeijer1
bkmeijer1 - 9/2/2025, 6:16 PM
@Urubrodi - exactly. It's such an odd choice to have him in one movie, and then only have him show up 7 years later in the biggest team-up movie of them all. Would've liked to see him work in a small team in the meantime
harryba11zack
harryba11zack - 9/2/2025, 2:11 PM
paid actor says nice thing about product hes paid to help advertise. just like when it was reported that Downey gave his seal of approval for "Iconic", I believe everything an actor says.

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TheVisionary25
TheVisionary25 - 9/2/2025, 2:11 PM
Regardless of how one feels about the casting (I have mixed feelings about it myself) , there’s no doubt that RDJ is a talented actor so I have no doubt he’ll give a good performance…

It won’t be my ideal take on the character but it’s rare that we get that in the first place so I hope the character is well portrayed and well written on his own overall!!.

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GenD
GenD - 9/2/2025, 2:16 PM
Actors gonna act
WalletsClosed
WalletsClosed - 9/2/2025, 3:00 PM
Sure.. Totally not saying that because it's his job to shill. Disney is desperate.

Reboot the MCU and DCU
dragon316
dragon316 - 9/2/2025, 3:09 PM
Movie and trailer will decide
Spike101
Spike101 - 9/2/2025, 3:20 PM
‘The Shang-Chi star also believes that fans are going to be "blown away" by RDJ's take on Doctor Doom.‘ Coments like this worry me as we don’t need RDJ’s take on Doctor Doom, we want Doctor Doom, he’s a very well defined character and one of the most wanted ones to be brought to the MCU.
Mongrol
Mongrol - 9/2/2025, 3:43 PM


I believe you

OrgasmicPotatoe
OrgasmicPotatoe - 9/2/2025, 6:25 PM
They're gonna have to figure out something really clever in order to earn it. Right now, it's looking like either they completely ignore Doom's suspicious resemblance to Tony Stark, which would just be an insulting cop out, or, more likely, he'll be some sort of Tony Stark variant who turned evil, which is just lame and predictable, but we're knee-deep in the variants & multiversal shenanigans at this point.

I want to hold out hope that they can still deliver good stuff, but they've been trying to prove the opposite lately.
Corruptor
Corruptor - 9/2/2025, 6:37 PM
Hope he gets to do some kung fu in it.

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