The Transformers - All Hail Megatron Vol. 02 (2009)

As the Autobots continue their hunt for the traitor in their midst while stranded on their homeworld of Cybertron, tempers flare, and the secrets of the Autobots’ defeat are revealed. Meanwhile, on Earth, the human uprising begins as Megatron attempts to fend off a coup by a fellow Decepticon. In this all-out war for Earth not everyone will survive, and the showdown you’ve been waiting for has a battle so fierce, you’ll be shocked at who makes it out alive!
This book collects issues #7–12 of the breakout hit series.