He lets out a sound at that, a little more than a huff or a chuckle, but not quite a laughter. Still, close enough - as close as Peridot's likely heard from him. Because he knows that is pretty much what Tony would say in a situation like this too. Almost verbatim, Bruce would guess.

"I think 'out of bounds' pretty much covers that." Not scolding her. Just pointing it out.