Transformers: Infiltration #4 was published by IDW Publishing on April 1, 2006, as part of a series that began in 2006. Simon Furman writes, and art comes from Andrew Wildman, E. J. Su and Guido Guidi. This 36-page issue features Megatron, Bumblebee, Ratchet, Skywarp and Blitzwing, among 12 characters cataloged on VerseDB.