Professor X hasn't been himself lately - moody, inscrutable, but the psionic armor and army of Sentinels are the real tip-offs! It'll take every super hero New York has to face the Onslaught - including not only the X-Men, the Fantastic Four, the Avengers, but forgotten stars of the nineties like Green Goblin Phil Urich, Nate Grey the X-Man and Ben Reilly, a.k.a. Spider-Man! Also guest-starring the Hulk, the Pantheon, the Punisher, S.H.I.E.L.D. and others!