By Blaylock, Seeley, Millar, and UDON. The two worlds of G.I. Joe and Transformers collide not just once but four times in this incredible collection! All four G.I. Joe vs. The Transformers mini-series collected in one massive omnibus edition! Optimus Prime! Snake-Eyes! Bumblebee! Scarlett! Everyone's here in this saga that encompasses two universes!