Similarly, there's the beginnings of panic rippling up too, but Clint tries to shove it back down because there's no time or room for that.

"Yeah, okay. Yell or something if you get in hot water and I'll do the same." Assuming that should the worst happen, they're in a position to make noise. He nods at Bucky before turning to inspect the mirrors a little closer, thinking he might regret doing so, but hey, he wants to scope them out as thoroughly as possible.

Sure, all he sees reflected back at him is a cliff face from the planet Vormir, and it makes him want to break the mirror in half, but that would be counterproductive.