Transformers: Armada #4 was published by Hasbro on January 1, 2003, as part of a series that began in 2002. Chris Sarracini and Dreamwave Productions write, and art comes from David Cheung, Erik Sander and Felipe Smith. It features Optimus Prime, Megatron, Ramjet, Red Alert and Unicron, among 11 characters cataloged on VerseDB.