 Meanwhile, wealthy industrialist Norman Osborn (Willem Dafoe), the father of Peter's best friend Harry Osborn (James Franco), subjects himself to an experimental performance-enhancing serum, which creates a psychotic and murderous split personality.Donning a military battlesuit, Norman becomes a freakish "Green Goblin", who begins to terrorize the city.Peter, as Spider-Man, now must do battle with the Goblin, all while trying to express his true feelings for Mary Jane.