Optimus Prime #20 (Coller Cover)
"The Falling," Part 5.
Optimus Prime has faced defeat before and come back... but he's never seen anything like this. Beyond life, beyond death-only the wisdom of an old friend can save him. Meanwhile, Victorion battles Devastator... and only one will survive.
The return of Bumblebee! One shall rise, one shall fall, but who will destroy them all?