Bucky: Who the hell is Bucky?
Bucky: The man on the bridge; who was he?
Bucky: I knew him.
Bucky: But I knew him.
Bucky: No I don’t!
Bucky: No I don’t!
Bucky: Shut up!
Bucky: You’re my mission. You’re. my. mission!
[That’s it. That’s literally it. That’s the whole of it.]