He didn't know Natasha very well, especially not with all of the gaps in his memory, so he couldn't say if that sounded like the kind of thing she would do or not.

Nothing sounded very strange until Sam mentioned another him. A second Bucky. Bucky squared. "There's-" nope, he wasn't buying it. How was he supposed to? But he didn't think Sam would lie to him about this--would he? "Another me. Are you sure?"