Build a movie plot around this: What character has just made their Broadway musical debut? Mary Jane Watson
Peter Parker plans to propose to Mary Jane Watson, who has just made her Broadway musical debut. A meteorite lands near Central Park, and an extraterrestrial symbiote emerges and follows Peter to his apartment. Meanwhile, police pursue escaped prisoner and robber Flint Marko, who visits his wife and sick daughter. The chase resumes, and Marko falls into an experimental particle accelerator that fuses his body on a microscopic level with the surrounding sand, transforming him into Sandman. Harry Osborn, seeking vengeance for his father's death in the first film, attacks Peter with new weapons based on his father's Green Goblin technology. The fight results in Harry receiving amnesia, erasing his memory of Peter as Spider-Man as well as his vengeance.During a festival honoring Spider-Man, Peter kisses Gwen Stacy for show, infuriating Mary Jane. A newly superpowered Marko robs an armored car nearby and Spider-Man confronts him. Initially warning him to leave to avoid a fight, Marko easily subdues him and escapes. Later, NYPD Captain George Stacy tells Peter and Aunt May that Marko was Uncle Ben's killer, and the deceased Dennis Carradine was only Marko's accomplice. While a vengeance-obsessed Peter sleeps in his Spider-Man costume, the symbiote takes over his suit. Peter wakes up hanging from a skyscraper, discovers his costume has changed and his powers have been enhanced, but the symbiote brings out Peter's dark side over time. Wearing the new black suit, Spider-Man locates Marko and battles him in a subway tunnel, the symbiote influencing him to fight more brutally. He discovers water is Marko's weakness and breaks a water pipe to reduce Marko to mud, washing him away and believing him to be dead.Peter's changed personality alienates Mary Jane, whose career is floundering, and she finds solace with Harry. Harry recovers from his amnesia, and, urged by a hallucination of his dead father, threatens Mary Jane into break up with Peter. After Mary Jane tells Peter she loves somebody else, Harry meets with Peter...