That stance is pretty telling and he can feel his tension levels rocket. He doesn't want to fight her, she's an extremely skilled hand-to-hand expert and one of the good guys. But that doesn't mean he won't, and it doesn't mean that he's not fairly confident in his ability to beat her.

At least she doesn't seem to be on the attack left. The question does take him by surprise, but maybe she's been talking to Steve. Maybe she's trying to assess how well he keeps even his most recent memories.

"Natasha Romanoff." He's read about her in a lot of newspaper clippings, and in some of the files released online since Project Insight literally went down in flames. "I've fought you before."