The Prowler theme comes from Spider-Man: Into the Spider-Verse, the 2018 animated film in which Aaron Davis, Miles Morales's uncle, appears as the masked villain known as the Prowler. His musical motif was designed to feel threatening and inescapable, matching his silent, relentless pursuit through the city. After the film became a cultural hit, short clips of the theme spread across social media and editing communities, where it was reused far beyond its original scene. It remains popular because it instantly signals a powerful antagonist without needing dialogue or explanation.