"You would absolutely not bite my ass," Bucky says, laughing at the thought of it. "I mean, really? Of all places to bite?"

He actually believes that Natasha would do it just because she's not one to back down from a challenge but the thought of it is hilarious all the same.

"Would you at least be nice enough to do it when I was awake or are you gonna wake me up from a dead sleep to do it?"