The Transformers: Monstrosity — IDW Publishing
Issue: #2
MEGATRON-DEFEATED? Never! The DECEPTICON leader battles through SHARKTICON hordes, while on CYBERTRON, OPTIMUS PRIME struggles to unite his people-and GRIMLOCK and his rogue DINOBOTS go on a rampage!
Creators: Livio Ramondelli, Chris Metzen
Characters: Megatron, Optimus Prime, Starscream, Skar, Grimlock, Pentius