Justice League of America — DC Comics
Issue: #27 B
“DAWN OF TIME” part one! Chronos has spent his criminal career being defeated by Ray Palmer and the Justice League. But now he’s discovered a way to beat them: by traveling back in time to stop the concept of super heroes from ever coming to be, because a world without the Justice League is a world he can rule! How can the team follow him through the timestream to stop his mad plan?Atom (Ray Palme...
First appearances: Yun Xee
Creators: Clayton Cowles, Dave Wielgosz, David Williams, Brian Cunningham, Hi-Fi, Steve Buccellato, Francesco Mattina, Steve Orlando, Hugo Petrus
Characters: Batman, Black Canary, Ray Palmer, The Ray, Vixen, Vixen, Ryan Choi, Chronos, Yun Xee, Ahl, Preon, Xenos, Aztek (Constant), Killer Frost (Snow), Moz-Ga, Promethea
Story arcs: Dawn of Time