The name points to the Prowler, the masked Spider-Man character known for his stealthy, menacing presence, and this piano take strips his theme down to its tensest notes. Short, moody clips like this travel well on short-form video, where creators need instant atmosphere without dialogue or a full song. It is reused because the sound is instantly recognisable as a warning sign: something is about to happen, and it probably is not good. That simple, dramatic shorthand keeps it useful for edits, memes and reaction videos long after the original trend fades.