- Publisher: IDW
- Written By: John Barber
- Art By: Andrew Griffith
- Language: English
- Digital Release Date: May 25th, 2016
ALL HAIL OPTIMUS part 4! It's all-out war as OPTIMUS PRIME's forces move on GALVATRON's DECEPTICONS--with Earth caught in the middle! Unusual alliances have formed... and secrets will be revealed.