"City of Mutants"
The X-Men close in on Mesmero but they learn he has Bobby and Lorna so they have to throw the fight that they are winning in order to get close to the captured pair. As the X-Men are reunited with Bobby, they witness the rebirth of the daughter of Magneto, now queen of the evil mutants, Lorna Dane. But she turns on Mesmero's minions but finds out that all is not as it seems, Mesmero is really Magneto.
Back-up story Origins of the X-Men series continues with the Beast.