[It's true, isn't it? The hand over his mouth, her urgency, it's all true. James Barnes didn't die when he fell from that train like the reports said. And if Natasha knew him, he can probably make a guess as to some of it. Natasha's past is a deep dark place and he knows that even he doesn't know most of it.]

No-one else would have picked up on it. And I'm not planning on rushing off to tell him. Or Steve. But... Who is he, Natasha? Who is he going to become that he'd throw you so badly?