Magneto tears Wolverine's world apart! As the terrifying Legacy virus spreads among mutantkind, the X-Men suffer a truly heartbreaking loss. Then, when the messianic madman Magneto returns, offering mutantkind safe haven aboard his asteroid home, which longtime X-Man will join his Acolytes - and why? Secrets of Magneto's life are finally revealed as the villain's threat to humanity grows - but when the X-Men face him in a final showdown, both Magneto and Professor X will do the unthinkable! Plus ...