X-Men [Professor X [Charles Xavier]; Cyclops [Scott Summers]; Phoenix [Jean Grey]; Banshee [Sean Cassidy]; Colossus [Peter Rasputin]; Nightcrawler [Kurt Wagner]; Storm [Ororo Munroe]; Wolverine]; Moira MacTaggert; Peter Corbeau; Black Tom Cassidy; Juggernaut [Cain Marko]
The X-Men's shuttle crash lands in Jamaica Bay and Jean rises from the wreckage as the Phoenix. To facilitate Jean's recovery, Prof X sends all of the X-Men but Cyclops to Scotland on vacation where Banshee has just inherited his ancestral castle. The X-Men show up at the castle and find it already inhabited by Sean's cousin Tom and his pal Juggy.
Eric dupes Firelord into helping him fight the X-Men, but Jean manifests her Phoenix powers once again to counter the threat. Lilandra arrives on Earth but is captured by Eric. Xavier sends the X-Men through a space portal to rescue Lilandra.
The X-Men and Starjammers are forced to battle the Crystal Guardians to try and gain access to the M'Kraan Crystal. Jean manifests awesome power as the Phoenix and saves the universe from destruction. Corsair is revealed as Cyclops' father.