Marvel's Ultimate Spider-Man (2012)

Episode Overview

Upon discovering that Norman Osborn has used an Anti-Goblin serum to stop himself from turning back into the Green Goblin, Doctor Octopus allies with Baron Mordo. Together, they harness the power of the Siege Perilous to summon the Ultimate Green Goblin from Miles Morales' universe, intending for HYDRA to control him. As a result, Spider-Man and Miles must join forces with Doctor Strange to prevent this monstrous Goblin from leveraging the Siege Perilous to wreak havoc on reality itself.