So there have been some rumours that the X-Men would be moved off planet and other rumours that they'd be moved to Europe. In anycase lets talk about the state of mutants post-secret wars.
A running theme in Secret Wars is Dr. Doom hates mutants. In fact he considers them a blite
As we remember from Endangered Species Wanda Maximoff mutant murderer booby trapped reality. Thus mutants like Jubilee, Dani Moonstar etc... were stuck the way they are save being dumped into the M'Kraan Crystal (Xavier) or messed around with Celestial technology (Polaris, Magneto).
Will the decimated mutants get their powers back post-secret wars? What else do you think will happen?