There's a Mirror On the Wall

When he fails to complete one mission, his memories are wiped and the parameters of the mission changed. The target is the same, the order is no longer to kidnap but to kill. Too bad his masters underestimated Loki's abilities, and thus, failed to prepare their asset.

Now, the Winter Soldier wakes in an unfamiliar place, and is told his former masters have passed him on to someone else. He has to learn to live in a world where he has choices to make, the ability to ask questions about anything he likes, permission to feel and be a human being, and a chance to be James Barnes again.