Just as teenage mutant Kitty Pryde is welcomed to the X-Men, the team of mutant heroes are called into battle to prevent Magneto and his Brotherhood of Evil Mutants from crashing a comet into the Earth...
The Spider-Friends visit the X-Mansion, teaming with the X-Men (Cyclops, Colossus, Storm, Nightcrawler, Thunderbird, Sprite, and Professor X) and battle Cyberiad (formerly Nathan Price), Firestar's old boyfriend after he was changed into a Tharok-like cyborg in an accident caused by A.I.M.).
