Spider-Man is the superhero identity used by Peter Parker, a young hero who gains spider-like abilities and uses them to fight crime and protect others. In Spider-Man: No Way Home, he is a central character whose actions trigger a multiverse crisis after his secret identity is exposed. The film follows his struggle to fix the damage, confront powerful enemies from other worlds, and make painful personal sacrifices. He serves as the emotional core of the story and represents responsibility, resilience, and growth.