Transformers/Ghostbusters — IDW Publishing
Issue: #2 B
“GHOSTS OF CYBERTRON” Part 2! Okay. So. It seems as though there are giant robots who can disguise themselves as vehicles out there in the universe, and, as it happens, one of them has taken the place of Ecto-1. When the Ghostbusters discover this replacement, they naturally have a lot of questions—and this time, even the boys in gray might not believe the answers!
Creators: Megan Brown, Dan Schoening, Priscilla Tramontano, Thomas Deer, Luis Antonio Delgado, David Mariotte, Erik Burnham, Andrew Griffith, Tom Waltz, Tom B. Long
Characters: Megatron, Ectotron, Ray Stantz, Winston Zeddemore, Egon Spengler, Peter Venkman, Starscream