Suiting up in his Deep Sea Diving armor, Spider-Man plunges into the dark depths of the ocean to fight the evil Doctor Octopus and the fierce Black Sea Venom. The suit enables Spidey to breath underwater, as well as withstand to great pressure at the bottom of the sea. When Spidey re-surfaces, he rides his Spider-Ski to chase and capture his aquatic villains when they're on the run.