What can he really say to any of that? He swallows, and he's able to find his voice again, though it starts off hoarsely.

"We don't know if that's what you go back to," he says, hoping that what he thinks might happen will be true. That some good might come out of talking about it. "Maybe when you go back, you can still fix things, stop it from happening. Maybe in some other, parallel universe, everything turns out fine."

Thor likes to imagine that. Maybe it'd make telling Tony all this worthwhile.

"I know now where five of the Infinity Stones are."