[Talking about Tony’s relationship with Bucky]
Natasha: So, am I right in thinking that you and he…
Bucky: We… dabble.
Natasha: So…what’s his “dabbling” like?
Bucky: Bordering on the avant-garde.
Bucky: Oh yeah… [stares into space] Huh… [snaps out of it] So, should we get your cover story sorted?