[Something twists in Sam's chest at the desperate tone of his words. He's seen it before, guys who have wanted to go back into blown out buildings for buddies they know can't be alive. Hell, he sounds like Steve, bound and determined to save Bucky. And the thing is, Sam doesn't disagree with him. There'a an entire city, an entire planet, and their friends could be out there waiting to be found. It's not likely to be easy, but Sam's used to that.

He reaches out, gripping Tony's shoulder to reassure him.]

We'll find them. But you might wanna think about getting some sleep first. It's too dark to run around looking for anyone in a place like this.