That does seem to go along with everything you hear about time travel. [ It might be for the best he doesn't explain what the incident was, but it does bring up something he has more personal experience with. He and Lorna don't talk about it much, but it's hard, thinking what they left behind. ]

I knew a mutant who could open up portals to different places. We thought she was dead, until one day she came through a portal from what looked like the future. Jumping through it is how Lorna and I got here.

She said there was something we needed to see, but after a year since I last saw her, I think we would have been better off leaving well enough alone. We didn't even think about the consequences of creating an alternate reality.