Infestation is a comic book crossover published by IDW Publishing, and connecting various of its licensed and original series together. The first crossover was published from January 2011 - April 2011. It consisted of two book-end one-shots, Infestation #1–2, set in the Zombies vs. Robots and CVO universes, and two-issue limited series from the G.I. Joe, Transformers, Ghostbusters, and Star Trek universes. Also, IDW published a digital-only Pocket God tie-in issue in May 2011 which was included in the hardcover book.