The band began working on their debut album in late 2008. As 2009 approached, ba**ist Derek Johnston and guitarist Keith Wallen joined Adelitas Way, completing the original line up. On April 17, 2009 they released their first single "Invincible". They broke into mainstream after the song's numerous television appearances. "Invincible" was the official theme song for WWE Superstars on WGN America as well as being featured in the Smackdown vs. Raw 2010 video game, MTV as well as the CSI Miami Finale.[2] They also wrote a song called "It's A New Day" which was the theme song for WWE superstars Cody Rhodes and Ted Dibiase, Jr. from June 15, 2009 – September 13, 2010.