Invincible #121 was published by Image Comics on July 1, 2015, as part of a series that began in 2003. Robert Kirkman writes, and art comes from Cliff Rathburn, Jean-Francois Beaulieu and Ryan Ottley. This 24-page issue features Robot, Monster Girl, Bulletproof, The Immortal and Brit, among 15 characters cataloged on VerseDB.