Transformers/Ghostbusters #4 was published by IDW Publishing on September 1, 2019, as part of a series that began in 2019. Erik Burnham writes, and art comes from Alex Milne, Chris Panda and Dan Schoening. This 32-page issue features Optimus Prime, Megatron, Starscream, Soundwave and Shockwave, among 10 characters cataloged on VerseDB.