Darkstars #24 (1994)

Zero Hour - A Time for Every Purpose
With ZERO HOUR spreading across the DC Universe, new Darkstar Donna Troy sets out to confront the evil menace of former Green Lantern Hal Jordan. But the trail leads instead to the equally deadly entity Entropy...and brings the late Green Lantern Abin Sur into the present to aid in the fight. Plus, former Darkstar Ferrin Colos faces life after his court-martial...and receives some startling information from John Stewart. Written by Michael Jan Friedman, with art by Mike Collins and Ken Branch. Cover by Mike Deodato. New Format. Cover price $1.95.
Release Date: 1994