Yes, that's correct! The Winter Soldier, also known as James Buchanan "Bucky" Barnes, is a Marvel Comics superhero and a former ally of Captain America. He was created by writer Ed Brubaker and artist Steve Epting and first appeared in Captain America #1 in Winter 2005.
The Winter Soldier was originally depicted as Bucky Barnes, Captain America's sidekick during World War II. However, after being presumed dead for many years, he was later revealed to have been brainwashed and transformed into a highly skilled assassin known as the Winter Soldier. He was used by Soviet agents for various missions and became one of the most feared operatives in the world.
The Winter Soldier is depicted as an extremely skilled marksman, hand-to-hand combatant, and stealth operative. He is also depicted as having a strong moral code, despite his actions as the Winter Soldier, and is often torn between his loyalty to his friends and his sense of duty to his handlers.
The Winter Soldier has appeared in several comic book series, television shows, and films, and is widely regarded as one of the most compelling characters in the Marvel Comics universe. He is known for his loyalty, his bravery, and his struggle to reclaim his identity and redemption.