Oh, good, that saves me from having to attempt to be diplomatic or polite.

[He gets that look a lot. He tends to deserve it, too. Something about "hey my teammate killing you wore off what's the problem" and "did you know if you set off that giant bomb you will rip open the universe maybe don't do that" and "we're going to take a mad titan into the evil universe and use him to get rid of it" provokes a lot of incredulous and frankly contemptuous and baffled stares.]

I'm guessing they also don't talk a lot where you come from either.