Invincible #33 was published by Image Comics on June 1, 2006, as part of a series that began in 2003. Robert Kirkman writes, and art comes from Bill Crabtree, Ryan Ottley and Tim Kane. This 36-page issue features Batman, Spider-Man, Doctor Octopus, Invincible and Batman (Not Brand Echh), among 9 characters cataloged on VerseDB.