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Ever since his first appearance inCaptain America: The First Avenger,Sebastian Stan’s Bucky Barnes, aka the Winter Soldier, has become one of the favorite MCU characters among fans. He has been part of the cinematic world since the 2011 film and is also set to reprise his role in the upcoming Marvel movieThunderbolts. While his fans eagerly await his return to the franchise, new rumors have alleged that it could also be the last time they would see Stan’s Winter Soldier on-screen.

Read More:“It’s always been off-handed”: Sebastian Stan Called Out MCU Boss for Promising Him $1.3B Film Role Before Dropping Him Off in Captain America 3
Sebastian Stan is Allegedly Leaving MCU AfterThunderbolts
Marvel Studios has a number of projects lined up for phase 5 and phase 6, which also includes theAnthony MackiestarrerCaptain America 4andThunderbolts. Considering the anticipation surrounding the MCU projects, there is also no lack of rumors suggesting several aspects of a film or show.
Recent rumors have suggested that the studio is planning to endSebastian Stan‘s MCU journey as Winter Soldier in the upcoming filmThunderbolts. According to Cosmic Book, several Twitter scoopers have made the claim, stating that the character will be killed by The Sentry in the upcoming movie.

The Sentry is also expected to join the cast ofThunderbolts, and Steven Yeun is allegedly looked up for the role. The report states that the Winter Soldier will become a victim of The Sentry’s evil alter ego, the Void, that will end his journey. However, nothing has been confirmed regarding his last MCU appearance yet.
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Is Bucky Barnes the Next MCU Hero in Line For a Major Exit?
The 2019 filmAvengers: Endgamefeatured the last appearances of some of the major MCU characters, including Black Widow, Iron Man, and Captain America. And before saying his goodbye,Chris Evans‘ Captain America gave his shield and title to Anthony Mackie’s Sam.
Fans had a mixed reaction to Sam getting the shield as many expected Bucky to be the next Captain America. It even led to rumors that the studio might have plans to kill off Sebastian Stan’s character in his follow-up feature afterEndgame. Rumors claimed that the Disney+ seriesThe Falcon and the Winter Soldierwould feature the demise of a major MCU character, believing it to be Stan’s Winter Soldier.

While the rumors have suggested something similar again regarding his next MCU project, it doesn’t seem tangible, considering he is expected to join the cast of the upcomingAvengersmovies as well. Nothing can be said as the studio tends to surprise fans, who could only wait to see what they have in store for them.
Captain America: Brave New Worldis set to release on 01 July 2025.

Thunderboltsis expected to release on 09 August 2025.
Read More:“I got a show because of him”: Sebastian Stan ‘Hates’ Tom Holland For His Return In Anthony Mackie’s MCU Show
Source:Cosmic Book
Laxmi Rajput
Senior Writer
Articles Published :3451
Laxmi Rajput is a Senior Writer at FandomWire, with over 3,300 articles published covering film, TV, and pop culture. With a degree in Broadcast Journalism and over three years of experience in content writing, she pivoted to entertainment journalism because let’s be honest, superheroes, sitcoms, and Netflix binges are way more fun. Laxmi frequently covers Marvel, Harry Potter, Star Wars, and popular TV shows, offering both fan-first enthusiasm and thoughtful analysis. Her work often dives into Marvel theories, revisits the genius of The Big Bang Theory, or unpacks the Netflix phenomenon of Stranger Things.