[...Maybe Peter hopes for things to be different in another universe, considering that things have gone horribly in his. He mentioned aliens and Thanos killing a whole bunch of people-- including him. So, maybe he wants to be optimistic about Gwen's world and stuff in comparison. For a moment, Scott feels kind of bad for whining about this in the first place, but guess it's too late to take it back now.

There's that grief though, knowing his friend is dead back home. Why can't things be better for his friends?? It really fucking sucks.]

Yeah, something like that. Especially if... like there's something you learn about the future in another world that you really don't like. [His frown increases despite himself. He... he doesn't want to kill Charles Xavier.]