Bucky's complex MCU journey includes being brainwashed by Hydra, a pivotal character throughout the Infinity Saga. Following his redemption arc in The Falcon and the Winter Soldier, Bucky transitions to a new future as part of the Thunderbolts. The absence of Bucky in Captain America: New World Order hints at a significant shift in his storyline towards the Thunderbolts team.

The Winter Soldier (Sebastian Stan) has had quite a complex career in the MCU. James Buchanan Barnes is the childhood friend of Captain America, and both become men out of time, having lived very long lives thanks to their respective enhancements. However, up until 2016, Barnes hasn't always been in control of his own mind thanks to the efforts of Hydra, which lead to some fairly dark chapters in his life before he became an Avenger alongside Captain America in Avengers: Infinity War. As a result, this makes Barnes one of...