A ZERO HOUR tie-in! Steel, Supergirl and Batgirl join Guy Gardner as they explore the strange anomaly that has appeared over the former site of Coast City—and are soon caught in the chronal chaos of Extant!

Written By:
Beau Smith
Howard Porter, Mike Parobeck, Jackson Guice, Phil Jimenez, Mitch Byrd
Dan Davis
Cover By:
Dan Davis, Mitch Byrd