The cataclysmic final issue of the bestselling series will end with a bang and a whimper!

Green Arrow will lead humanity's final charge from the blood mines of Smallville.

Supergirl's mission to get off-world comes to an explosive end.

And it's Batgirl versus Nightwing for the fate of the entire planet--the stakes couldn't be higher as the future of humankind is on the line!