I almost blurt out Professor X is dead and it hits me just how far ahead of the guys I am. We've been messing around with time-travel for as long as we've been a team, but this is different. This isn't some glimpse into an alternate future or a trip to the past. This is what actually happens.

"Well, there's something different," I say instead, frowning a little. "How young are we talking? Our age?"