Exploding out of the Marvel Universe are its greatest heroes and most powerful villains! When a Stark Enterprises' scientist captures Venom in order to create a symbiote army, Spider-Man and Iceman team-up to stop him! Joined by the X-Men's Phoenix, the trio are able to destroy the laboratory and end the madman's plans.Putting the scientist into the custody of Iron Man, Phoenix leaves the Earth for deep space, fearing the return of her dark side.