He grins because she is right he will be certain to let Hayato know she said thanks, he is just that kind of guy. They both have that same confidence, whatever comes out there they will definitely make it back.

In one piece even, maybe, who knows but they are coming back and Yamamoto does not doubt it one bit.

"I have driven a motorcycle, not a car, so I'll let you drive." He laughs, even if Peter was scared he trusts her and he is hard to scare, in truth if she drives a little wild he may end up laughing and seeing it as a good time. As it is he starts suiting up, making sure to keep his weapon outside his suit and making sure he can get out of it fast enough to access his flames if he needs to. He is ready when she is.