Songfacts®:

• This motivational track features in the 2014 Walt Disney Animation Studios film Big Hero 6, which is based on the Marvel team of comic superheroes. An alternative version is featured on the American Beauty/American Psycho album. Yet another rendition is included on the remix album Make America Psycho Again, featuring rapper Black Thought of The Roots.
• Fall Out Boy was tapped to write and perform the song by Disney for the film's sequence in which the Big Hero 6 team is transformed from a group of super smart individuals to a band of high-tech heroes "The idea of this kid stepping up on behalf of his brother is what inspired the song's title 'Immortals,'" vocalist Patrick Stump said. "Your victories aren't exclusively yours, so the fact that all of these people are coming together to help him get to the finish line is really exciting."
  
  "They're testing out their new super suits for the first time in the scene," added bassist and lyricist Pete Wentz. "Some of it works - some of it doesn't. You get the sense that they're stepping into a bigger role."