Actor Sean Gunn has announced he is stepping away from his role as Rocket Raccoon in the Marvel Cinematic Universe. Speaking on a recent podcast,the 50-year-old actor cited the intense physical strain of the character's motion capture as his primary reason for leaving the franchise.

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A decade of motion capture from Guardians to Endgame

For over ten years, Sean Gunn has been the physical soul of Rocket Raccoon, providing the essential motion capture and physical reference that defined the character's movements. While Bradley Cooper has provided the iconic voice for the character, Gunn's on-set performance was the foundation for Rocket's expressions and gestures. His work spanned the entire Guardians of the Galaxy trilogy, as well as major appearances in Avengers: Infinity War, Avengers: Endgame, and Thor: Love and Thunder.

As the report notes, Gunn's contribution extended even to the Disney+ Guardians of the Galaxy Holiday Special. This long-term commitment helped cement Rocket Raccoon as a fan favorite within the Marvel Cinematic Universe, bridging the gap between digital animation and human performance.

The "baseball catcher" toll on a 50-year-old actor

The decision to retire is rooted in the punishiing physical requirements of the job. As Gunn explained during his appearance on the Brandon Davis podcast, the role requires him to maintain awkward, taxing positions for exended periods. He specifically likened the daily routine to a baseball catcher, noting that he cannot continue squatting on set for hours at a time every day.

According to the source, Gunn realized the physical reality of the role as early as when Guardians of the Galaxy Vol . 3 wrapped five years ago. He admitted that at age 50, the necessity of wearing knee pads and maintaining a crouched stance had become a burden he was no longer willing to sustain. Despite the difficulty,Gunn expressed that he has no regrets regarding his decision to prioritize his physical well-being.

Will Marvel replace the physical performance of Rocket?

Gunn's departure leaves a significant void in how Marvel Studios approaches its non-human characters. While the character of Rocket Raccoon is likely to remain a part of the MCU, the source leaves the method of his future portrayal unverified. It remains unclear whether Disney+ or Marvel will attempt to find a new motion capture actor to replicate Gunn's specific physical nuances, or if the character will transition into a purely CGI-driven entity.

Beyond the raccoon: Kraglin and the Appofeniacs project

While he is stepping away from the Rocket Raccoon suit, Sean Gunn is not retiring from acting entirely. He has maintained a diverse career within the industry, including his role as Kraglin Obfonteri in the Guardians films. He also continues to collaborate with his brother, directtor James Gunn, on various creative endeavors.

Gunn is currently active in other projects, including the recent horror film Appofeniacs, which explores themes of AI and deepfakes. This move suggests that while the physically demanding era of his Marvel career is ending, his presence in the entertainment industry will continue through less strenuous roles.