THUNDERBOLTS* Concept Art Reveals First Look At INVINCIBLE Star Steven Yeun As The Sentry

THUNDERBOLTS* Concept Art Reveals First Look At INVINCIBLE Star Steven Yeun As The Sentry

New Thunderbolts* concept art reveals a possible first look at The Walking Dead star Steven Yeun as the Marvel Cinematic Universe's Sentry. You can check out how he compares to Lewis Pullman here...

By JoshWilding - May 04, 2025 04:05 AM EST
Filed Under: Thunderbolts

The Walking Dead and Invincible star Steven Yeun was originally cast as Bob in Thunderbolts*, meaning we'd have seen the actor eventually suit up as the MCU's Sentry. 

He had to drop out due to scheduling issues caused by 2023's Hollywood strikes, leaving Top Gun: Maverick and Lessons in Chemistry star Lewis Pullman to take over (and, fortunately, he does a phenomenal job). 

Now, some concept art of Yeun suited up as The Sentry has been revealed. We believe this comes from the same video showing that behind-the-scenes shot of Pullman suited up, but with only screenshots floating around on social media, we're still working on tracking down the source. 

The suit is largely the same, though it seems Yeun's Bob was also talked into dyeing his hair blonde by Valentina Allegra de Fontaine.

We're sure he'd have done a fantastic job in this role, while Marvel Studios is bound to have something else planned for him down the line should time and interest allow. For now, though, Avengers: Doomsday is up next for Pullman's Golden Guardian. 

"I think for me, time passing and things shifting kind of pulled me out of it," Yeun previously said of his  Thunderbolts* departure. "But Jake [Schreier], I know, is going to do an incredible job. I wanna do a Marvel movie It took a lot of drafts on email to make sure that I conveyed the sincerity of how sorry I was to have to back out."

As for which Marvel role he'd like to potentially tackle next, he added: "I think it’s too early to say that. I probably pissed off too many people leaving, so I’m just gonna say, 'Thank you for having me.' I have some ideas. But I heard if you put it out there, you’ll never get it, so I’ll keep it close to my chest."

Would you have liked to see Yeun as The Sentry in Thunderbolts*

In Thunderbolts*, Marvel Studios assembles an unconventional team of antiheroes - Yelena Belova, Bucky Barnes, Red Guardian, Ghost, Taskmaster and John Walker. After finding themselves ensnared in a death trap set by Valentina Allegra de Fontaine, these disillusioned castoffs must embark on a dangerous mission that will force them to confront the darkest corners of their pasts.

Will this dysfunctional group tear themselves apart, or find redemption and unite as something much more before it’s too late?

"Thunderbolts* redefines superhero storytelling to deliver a moving and powerful story that does for the 'Multiverse Saga' what The Avengers did for the 'Infinity Saga' in 2012," we said in our review. "These heroes have earned their place on a Wheaties box."

The cast of Thunderbolts* will be led by Florence Pugh as Yelena Boleva, Sebastian Stan as Bucky Barnes, David Harbour as Red Guardian, Wyatt Russell as U.S. Agent, Hannah John-Kamen as Ghost, Olga Kurylenko as Taskmaster, Julia Louis-Dreyfus as Valentina Allegra de Fontaine, and Lewis Pullman as "Bob."

Written by Eric Pearson, Lee Sung Jin, and Joanna Calo, and directed by Jake Schreier, Thunderbolts* is now playing in theaters.

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tRuckRogers46A
tRuckRogers46A - 5/4/2025, 4:53 AM
I'm actually glad he backed out. Nothing against Yeun as an actor but I feel Pullman is the better of the two with much more range and totally knocked it out of the park.
Fogs
Fogs - 5/4/2025, 5:49 AM
@tRuckRogers46A - Yes. Great acting from Pullman.
MakeAmericaGrea
MakeAmericaGrea - 5/4/2025, 9:57 AM
In the mid 2020s Disney liberals are still considering raceswapping A, B, and C list characters?

How embarrassing.
clogan
clogan - 5/4/2025, 10:11 AM
@MakeAmericaGrea - saw you in another post,saying the same type of stuff you absolutely need to touch some grass my guy
NonPlayerC
NonPlayerC - 5/4/2025, 11:42 AM
@tRuckRogers46A - I loved yuen in beef, he's got plenty of range, but I agree. Pullman is a little young but looks just like the character in the comics.
Blergh
Blergh - 5/4/2025, 3:27 PM
@tRuckRogers46A - absolutely with you. Pullman really pulled off the shame and fear Bob has of himself and the Void.
IAmAHoot
IAmAHoot - 5/4/2025, 5:17 AM
Bob from Top Gun seems a better fit. Would have been neat to see his take on the character either way though.
elgaz
elgaz - 5/4/2025, 5:46 AM
Pullman is quickly becoming one of my favourite actors, he was fantastic on Outer Range too. For once, someone as talented as their father and not just a nepo baby.
thedrudo
thedrudo - 5/4/2025, 9:51 AM
@elgaz - He’s so good with Brie in Lessons in Chemistry.
MakeAmericaGrea
MakeAmericaGrea - 5/4/2025, 10:03 AM
@elgaz -

Not quite the same, but:

Michael Douglas

John Ritter

Douglas Fairbanks, Jr.

Lon Chaney, Jr./Creighton Chaney

Martha Plimpton
Blergh
Blergh - 5/4/2025, 3:28 PM
@elgaz - I really loved him in Bad Times at the El Royale...where he also played a meth-addict
whatthetruck
whatthetruck - 5/4/2025, 6:28 AM
The "God" part was so convincing. Though tbh, Did sentry always have telekinesis? Seems a little OP, even with the Void drawback.
MakeAmericaGrea
MakeAmericaGrea - 5/4/2025, 10:05 AM
@whatthetruck -

Did Taskmaster always have ovaries?
Killuminatic
Killuminatic - 5/4/2025, 10:39 AM
@MakeAmericaGrea - You’re a vile and unpleasant human being. If you can’t realise this yourself, I hope my bluntness can get that message across. I hope things get better for you, however. You have the potential to rectify yourself and change so I hope you can do this. Give people dignity and you’ll get it yourself.
EskimoJ
EskimoJ - 5/4/2025, 11:53 AM
@Killuminatic - Even they know their schtick has been played out, so they're hardly responding to replies anymore.

Starve them a little more and they'll be gone.
NonPlayerC
NonPlayerC - 5/4/2025, 12:00 PM
@whatthetruck - in the comics not sure if ive seen him use telekinesis in that way but he has essentially every power you could think of. If you look at his earth 616 comics wiki it lists everything from teleportation, mind control, biokinesis, Molecularkinesis, resurrection, flight, strength, psionics, genius intellect, Umbrakinesis (the void), energy projection, healing factor, he's got it all. That's kind of the gimmick. He is all powerful but never know when the void is gonna come back and he turns on everyone. His first comic is pretty cool if you want to read it. if not light SPOILERS - he was pretty much the first superhero, friends with reed Richards but the Void came and almost destroyed the world. Sentry made it go away but he made everyone forget about him and his powers, even himself. then one day his powers start coming back, thinking he's becoming a superhero the void starts to come back too but he doesn't know what it is. He's definitely OP but the void is much deadlier than portrayed in thunderbolts. I know they stopped it early in that but he would normally have killed plenty of people instead of just giving everyone depression lol
NonPlayerC
NonPlayerC - 5/4/2025, 12:00 PM
@EskimoJ - he'll just come back with a new name lol
Thing94
Thing94 - 5/4/2025, 7:40 AM
Glad it was Lewis Pullman. Yeun is great as Mark Grayson.
TheVisionary25
TheVisionary25 - 5/4/2025, 8:04 AM
If this is real then concept wise , Yeun looks good as The Sentry imo…

I know some “fans” would have issues with the race change but I don’t mind it tbh.

Anyway , it would have been nice to have seen his take on The Sentry or “Bob” but it seems like Lewis Pullman was a more then capable replacement which is great!!.
Gmoney84
Gmoney84 - 5/4/2025, 8:15 AM
Pullman crushed it! Movie was great!
mountainman
mountainman - 5/4/2025, 8:38 AM
Was Bob still a recovering meth addict in this?

If so, it would have been dumb to cast an Asian actor for the role.
dragon316
dragon316 - 5/4/2025, 9:11 AM
@mountainman - yeah he was
mountainman
mountainman - 5/4/2025, 10:05 AM
@dragon316 - Well based on that knowledge, casting a Korean actor would have been incredibly unbelievable lol.
mountainman
mountainman - 5/4/2025, 10:06 AM
@dragon316 - You can really only go black, white or Latino based on that backstory element.
EskimoJ
EskimoJ - 5/4/2025, 11:50 AM
@mountainman - But really White. And they were living in Thailand, so even more so.
mountainman
mountainman - 5/4/2025, 1:27 PM
@EskimoJ - Not in a per capita basis, which is the stat that matters.

4.6% of Black people have used crack
3.7% of White people have used crack

https://www.addictionhelp.com/crack/statistics/
dragon316
dragon316 - 5/4/2025, 9:12 AM
Same costume different actor bigger collar
MakeAmericaGrea
MakeAmericaGrea - 5/4/2025, 9:55 AM
Raceswap.

Ewwww.
solskulldeath
solskulldeath - 5/4/2025, 9:57 AM
Yuen as the try hard blonde guy is a big no and such a waste of talent. Nope. That Pullman guy did it right.
MisterDoctor217
MisterDoctor217 - 5/4/2025, 12:16 PM
So glad Lewis Pullman took it. He made me fall in love with Bob from the very first scene.
He was so likable as Bob and equally menacing as Sentry and The Void.

Great casting and great performances all around.

Hopefully they give him something meaty to do in Doomsday and Secret Wars.
TheJester187
TheJester187 - 5/4/2025, 12:57 PM
Glad they went with the white boy.
vtopa
vtopa - 5/4/2025, 3:29 PM
Pullman was spectacular. Soulful performance. I’d actually love to see Yuen as Quasar.
NinnesMBC
NinnesMBC - 5/4/2025, 3:41 PM
Cool concept art. Now bring him just for some fun fanservice squirmish during Secret Wars: Sentry vs Sentry. XD
ObserverIO
ObserverIO - 5/4/2025, 7:48 PM
Looks way better.

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