Rumor: MCU’s ‘Thunderbolts’ To Turn The Sentry Into A ‘Mantle’, Will See His Powers Inherited By Diverse Female Successor

Mallory Gibbs unleashes the power of a million exploding suns on Giuseppe Camuncoli's variant cover to Sentry Vol. 4 #3 "Legacy: Part III" (2024), Marvel Comics
Mallory Gibbs unleashes the power of a million exploding suns on Giuseppe Camuncoli's variant cover to Sentry Vol. 4 #3 "Legacy: Part III" (2024), Marvel Comics

After plans to race-swap their ironic Superman clone for his upcoming appearance in Thunderbolts fell through, it seems Marvel Studios could be going with their backup plan of gender-swapping the Sentry instead.

The Sentry confronts the Armored Avenger in Iron Man Vol. 4 #10 "Execute Program (Part IV of VI) (2006), Marvel Comics. Words by Daniel and Charles Knauf, art by Patrick Zircher, Scott Hanna, Studio F, Antonio Fabela, and Joe Caramagna.
The Sentry confronts the Armored Avenger in Iron Man Vol. 4 #10 “Execute Program (Part IV of VI) (2006), Marvel Comics. Words by Daniel and Charles Knauf, art by Patrick Zircher, Scott Hanna, Studio F, Antonio Fabela, and Joe Caramagna.

RELATED: Following Steven Yeun’s Exit, ‘Top Gun: Maverick’ Star Lewis Pullman Reportedly Top Choice To Play Sentry In Marvel’s ‘Thunderbolts’

When Marvel announced that they were going to race to swap the character of Sentry with The Walking Dead actor Steven Yeun, fans were puzzled by the decision, with many questioning not only why the MCU introduction of Sentry would come in a movie about the Thunderbolts, but also why the studio picked Yeun as their top choice to play the Golden Guardian of Good.

However, now that the actor has backed out of the project due to scheduling conflicts, a new rumor suggests that the studio’s potential backup plan for the character is even more puzzling than their initial one.

Ricky “Jupe” Park (Steven Yeun) recounts his childhood in Nope (2022), Universal Pictures

While previous and all-but-officially-confirmed reports indicating that the role of the Sentry had since gone to Top Gun: Maverick star Lewis Pullman seemed to suggest that the MCU was finally course-correcting back to classic comic book accuracy, a new theory regarding the hero’s role in Thunderbolts suggests that this could not be further than the case.

In light of the previous leak which suggested that the film had originally ended with the collective deaths of the Thunderbolts and the Sentry, as well as Marvel Comics’ ongoing Sentry miniseries currently centering on such a concept, Reddit user /u/roguefrogger has posited that the hero’s debut appearance will end not only with death, but his power being split between six ordinary individuals following his passing.

Ryan Topper reaches out to Mallory Gibbs on Ben Harvey's cover to Sentry Vol. 4 #3 "Legacy: Part III" (2024), Marvel Comics
Ryan Topper reaches out to Mallory Gibbs on Ben Harvey’s cover to Sentry Vol. 4 #3 “Legacy: Part III” (2024), Marvel Comics

RELATED: Rumored Race-Swapped Sentry Actor Steven Yeun Reportedly Exits Marvel’s “Thunderbolts”

To this end, it is believed that prior to exiting the film due to scheduling conflicts, the unnamed role in which The Bear star Ayo Edebiri had been cast was that of the MCU’s version of Mallory Gibbs, one of the recipients of the Sentry’s power in the current comic book miniseries.

A black female journalist with cerebral palsy – a perfect collection of diversity and inclusion ‘checkboxes’ if there ever was one – when Gibbs is given the power of Sentry, her physical limitations are lifted and she is given impervious superhuman abilities. 

Mallory Gibbs tests out her new powers in Sentry Vol. 4 #2 "Legacy: Part II" (2024), Marvel Comics. Words by Jason Loo, art by Luigi Zagaria, David Cutler, Arthur Hesli, and Joe Caramgna.
Mallory Gibbs tests out her new powers in Sentry Vol. 4 #2 “Legacy: Part II” (2024), Marvel Comics. Words by Jason Loo, art by Luigi Zagaria, David Cutler, Arthur Hesli, and Joe Caramgna.

Unsurprisingly, though the Sentry’s power is split among six total individuals, it is Gibbs who ends up being the sole survivor left to stand against Ryan Topper, a white teenager with a thirst for power who seeks to kill the other ‘Sentry conduits’ and take their strength for himself.

Ryan Topper confronts Jessica Jones and Mallory Gibbs with the intent of taking the latter's power in Sentry Vol. 4 #3 "Legacy: Part III" (2024), Marvel Comics. Words by Jason Loo, art by Luigi Zagaria, David Cutler, Arthur Hesli, and Joe Caramgna.
Ryan Topper confronts Jessica Jones and Mallory Gibbs with the intent of taking the latter’s power in Sentry Vol. 4 #3 “Legacy: Part III” (2024), Marvel Comics. Words by Jason Loo, art by Luigi Zagaria, David Cutler, Arthur Hesli, and Joe Caramgna.

With Edebiri out of the picture, actress Geraldine Viswanathan, known for her roles in the films Blockers and Drive Away Dolls, has been tapped to take her spot in the still-unnamed role.

Whether she will end up playing Gibbs – or perhaps another, MCU original Sentry variant all together – remains to be seen.

Geraldine Viswanathan talking about her movie Drive-Away Dolls on Late Night with Seth Meyers

RELATED: Marvel Shuffles Upcoming Film Slate Yet Again, ‘Deadpool 3’, ‘Captain America: Brave New World’, ‘Blade’, And ‘Thunderbolts’ All Delayed

Per the comic books, the true origins of Sentry date back to 1950 (in-universe; the character did not actually make his comic book debut until 2000), beginning with Robert Reynolds, a depressed meth addict.

After ingesting a failed attempt to replicate the Captain America’s super-soldier serum, Renyolds is granted the power of a million exploding suns, which he proceeds to use to go on to serve as one of the 616’s most courageous champions.

However, though Reynolds tried to live life as a normal superhero, a repressed persona known as The Void eventually caused him to become both mentally unstable and a threat to both villains and heroes alike.

The Sentry is fully taken over by The Void in Siege Vol. 1 #3 (2010), Marvel Comics. Words by Brian Michael Bendis, art by Olivier Copiel, Mark Morales, Laura Martin, and Chris Eliopoulos.
The Sentry is fully taken over by The Void in Siege Vol. 1 #3 (2010), Marvel Comics. Words by Brian Michael Bendis, art by Olivier Copiel, Mark Morales, Laura Martin, and Chris Eliopoulos.

As a result, after a short stint as a member of various Avengers team, serving as a horseman of Apocalypse, and even helping seal away the infamous Cancerverse, the Sentry eventually met his death at the hands of the King in Black himself, Knull, during his invasion of Earth.

From there, his body was abducted by the magical Blasphemy Cartel and infused with “the power of one-hundred million screaming ghosts”, which the terrorist group attempted to use to destroy Doctor Strange and Clea.

Unsurprisingly, they would be unsuccessful in this goal, with the pair instead besting the zombie and dispersing his energies across the cosmos – a short time after which they found their way into the hands of the aforementioned Sentry conduits.

The Sentry is reborn as Revenant Prime in Strange Vol. 3 #9 "Attack on Emerald City, Part 1" (2022), Marvel Comics. Words by Jed MacKay, art by Marcelo Ferreira, Roberto Poggi, Java Tartaglia, and Cory Petit.
The Sentry is reborn as Revenant Prime in Strange Vol. 3 #9 “Attack on Emerald City, Part 1” (2022), Marvel Comics. Words by Jed MacKay, art by Marcelo Ferreira, Roberto Poggi, Java Tartaglia, and Cory Petit.

To this end, it looks like Marvel Studios will be taking a drastically different approach to the character’s existence when he eventually makes his MCU debut, ignoring his classical depiction in favor of monetizing his younger – and wholly-Disney-owned – replacements.

As far as the movie itself goes, Thunderbolts is scheduled to be the final film in the MCU Phase Six, which has been riddled with disappointments and delays.

Marvel unveils the line-up for their Thunderbolts film - including  Valentina Allegra de Fontaine (Julia Louis-Dreyfus), Ghost (Hannah John-Kamen), Red Guardian (David Harbour), Yelena Bolova (Florence Pugh), Bucky (Sebastian Stan), U.S. Agent (Wyatt Russell) and Taskmaster (Olga Kurlyenko) - at the 2022 D23 Expo. Art by Andy Park.
Marvel unveils the line-up for their Thunderbolts film – including Valentina Allegra de Fontaine (Julia Louis-Dreyfus), Ghost (Hannah John-Kamen), Red Guardian (David Harbour), Yelena Bolova (Florence Pugh), Bucky (Sebastian Stan), U.S. Agent (Wyatt Russell) and Taskmaster (Olga Kurlyenko) – at the 2022 D23 Expo. Art by Andy Park.

The film is expected to bring back several MCU characters from other movies and television series including Sebastian Stan as Winter Soldier, Hannah John-Kamen as Ghost, Wyatt Russell as U.S. Agent, Julia Louis-Dreyfus as Valentina Allegra de Fontaine, Florence Pugh as Yelena Belova, David Harbour as Red Guardian, and Olga Kurylenko as Taskmaster.

Notably, thanks to the production delay caused by Marvel’s bringing in Netflix’s Beef writers Lee Sung-Jin and Joana to fix its script, filming has yet to commence on Thunderbolts.

Rather, it is currently expected to begin shooting this Spring ahead of its tentative May 2nd, 2025 release date.

The Sentry returns to the real world in Sentry Vol. 3 #2 "Sentry World: Part 2 of 5" (2018), Marvel Comics. Words by Jeff Lemire, art by Kim Jacinto, Joshua Cassara, Rain Beredo, and Travis Lanham.
The Sentry returns to the real world in Sentry Vol. 3 #2 “Sentry World: Part 2 of 5” (2018), Marvel Comics. Words by Jeff Lemire, art by Kim Jacinto, Joshua Cassara, Rain Beredo, and Travis Lanham.

NEXT: ‘Thunderbolts’ Director Jake Schreier Says Movie Has A “Very Different Perspective Than Maybe People Are Expecting”

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