Under normal circumstances, Steve would confidently reply that no, he's pretty sure she would not. But she's pregnant and she's been a bit more mercurial lately, and he's a little afraid to tempt fate. His expression goes from playful to contemplative and wary, and he looks like he's not sure how to respond.

Luckily, Clint volunteers himself as tribute, and Steve is off the hook for the moment. He grins, but manages not to laugh, and simply follows his wife from the room like a little lamb.