Gladstone's School for World Conquerors #3 was published by Image Comics on July 1, 2011, as part of a series that began in 2011. Mark Andrew Smith writes, and art comes from Armand Villavert Jr. This 32-page issue features Ghost Girl, Kid Nefarious, Martian Jones, Mummy Girl and Skull Brother One, among 8 characters catalogued on VerseDB.