Why make it a point to refer to him as mysterious though. I mean he is mysterious and all, but when he's specifically called that way in the actual issue and then towards the end we're also told the doctors can't ID him since he has no medical records, it clearly shows the reveal of his identity is supposed to be something important. Naturally that doesn't mean he is in fact Peter but I don't believe they need a lot of page space to explain it if he was. It would take a 3-4 page recap at most.