Transformers: War Within - The Dark Ages #1

More secrets of Cybertron's dark past are revealed, as a second chapter of Transformers: The War Within sheds light on... The Dark Ages! Optimus Prime and Megatron are missing, presumed dead, and the civil war for control of Cybertron has degenerated into a dark cauldron of confusion and turmoil, with splinter factions clashing in endless border skirmishes. Into this potent powder keg of a divided world comes the Fallen, a Transformer from the planet's prehistory... with dark designs of his own!