 To generate shots of Iron Man and the F-22 Raptors battling, cameras were flown in the air to provide reference for physics, wind and frost on the lenses.Composer Ramin Djawadi had been a fan of the character Iron Man as a child, saying that he always liked superheroes "that actually don't have any superpowers".After Favreau's previous collaborator John Debney was unavailable to score the film, Djawadi sought out the role himself.