Invincible #28 was published by Image Comics on January 1, 2006, as part of a series that began in 2003. Robert Kirkman writes, and art comes from Bill Crabtree, Cliff Rathburn and Mark Englert. This 32-page issue features Invincible, Omni-Man, Deborah Grayson, Black Samson and The Immortal, among 11 characters cataloged on VerseDB.