Sebastian Stan gives his views on the Evolution of Winter Soldier’s Arm Prosthetics on ‘The Falcon and The Winter Soldier’

Sebastian Stan is best known for his role as the Winter Soldier in the Marvel Cinematic Universe. Because of his role in The Falcon and the Winter Soldier alongside Anthony Mackie, his popularity is at an all-time high.

Bucky Barnes, the Winter Soldier’s real name, is best known for Sebastian Stan prosthetic left arm. It has been with him since the release of Captain America: The Winter Soldier in 2014.

And, like his character, the prosthetic arm has evolved over time, transitioning from a metallic arm created by Hydra to the new vibranium arm bestowed upon him by Black Panther.

Evolution Of The Iconic Prosthetic Arm

Stan first appeared in the MCU as James “Bucky” Barnes in Captain America: The First Avenger (2011). He is Steve Rogers’ pal, and during a fistfight in an alley, he saves the tiny Rogers from a violent guy.

However, his role in the film was brief, and we only saw more of Barnes in Captain America: The Winter Soldier (2014).

Hydra brainwashed and trained Barnes to be a lethal assassin to serve as the organization’s fist. Hydra had done a lot of work on him, including the metallic prosthetic arm.
The arm was imprinted with a communist red star, and the brainwashed Barnes used it to complete several Hydra missions. Killing Howard and Maria Stark and stealing a case of Super Soldier Serum was one of these missions.

winter soldier sebastian stan
Source: Men’s Journal

Later, Tony Stark discovers the truth about his parents’ deaths and pursues Barnes, who is being protected by Captain America.

After a battle, Ironman uses his Unibeam to blow off Barnes’ bionic arm, and Barnes agrees to be frozen before a cure for his brainwashing is discovered.
Barnes then spends two years in Wakanda without a left arm before being given a vibranium arm by Black Panther. Shuri, the princess of Wakanda and T’Challa’s niece, designed the arm. Barnes continues to use the same arm.

Which arm does Stan prefer?

Despite how dexterous and mobile the arm appears in films, it is extremely difficult to deal with when shooting. Stan discussed filming with the signature metallic Winter Soldier arm with BBC Radio 1.


The “arm” was made of a very hard metal that restricted movement. It did, however, give the character a distinct gait and movement. According to the star, he declined to wear a less gleaming and more comfortable arm because it would not look as good.

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Stan claims that the current vibranium arm is much more compact and is one piece, as opposed to the previous one, which was split into two parts. Despite the newer arm’s comfort, the actor says he likes the old one because of its appearance.

I still find myself sometimes catering to the old one because it just had such a specific shine to it and it was so iconic in the comic book. 

Stan’s awkward shooting days are definitely behind him now that his character is fitted with the much more sophisticated vibranium arm.