Alan Silvestri composed the Avengers theme for Marvel's The Avengers, released in 2012, and the motif returned across later Avengers films, including Avengers: Endgame in 2019. Its bold brass melody became one of the most recognisable sounds in modern superhero cinema, widely reused in trailers, fan edits, and reaction videos. Online, short clips of the theme's climactic ending spread as a shorthand for heroism and triumph, often placed over everyday victories to make them feel epic. That instant association with Earth's Mightiest Heroes keeps the ending hit popular for creators years after the films' release.