It's weird, in the old days when "Mutant" was thrown around everywhere.... there was also more variety in origin stories somehow. But that's when we...
Change can change but it is a matter of maintaining order because otherwise chaos can destroy everything and something like a person's past, if it is...
The ship will never be fully sailed but no I don't think it will come up outside of some attempt to reinforce Betsy and Rachel, but no X pairing date...