anon/bruce b
No, I'm not sure who that is. Does Captain America or Iron Man ring a bell? They're friends.
I imagine that's possible. I've already run into a few different versions of my world, in this door, not back home. We only just started to learn more about the combined planets and greater universe, it's been theoretical until recently. You sound like you know a lot about them, which makes sense, considering you seemed able to control a pocket reality there.