Spider-Man and His Amazing Friends (1981)

S03E07 The X-Men Adventure

Spider-Man tests out the X-Men's Danger Room, but chaos ensues when an unexpected intruder named Cyberiad makes his entrance. Revealed to be Firestar's ex-boyfriend, he holds her responsible for his current predicament. With Cyberiad taking over the X-Men's mansion, the team must band together to overcome this formidable foe. Will they manage to reclaim control and stop him before it's too late?