Spider-Man and Iron Man must come together to protect the world from evil minds.
Stark Enterprises has unleashed the Infinite Engine, which promises to be an energy source unlike anything ever seen before. But saboteurs from both A.I.M. and Hydra have set their sights on the engine as wellalong with Dr. Doom. When a respected scientist is killed and the Engine taken over, Spiderman and Iron Man join forces to safeguard the Infinite Engineand all of humanity.