A new Countdown mini-series called Countdown: Arena features the Monarch(Captain Atom) battling alternate versions of characters throughout the Multiverse to compile the strike team for his new Multiverse army, specifically one Superman, one Batman, a Wonder Woman, a Green Lantern, a Flash, a Blue Beetle, a Nightshade, a Starman, and a Ray. In this mini, you will see the Batman from JSA: The Liberty Files versus the Batman from Gotham by Gaslight versus the Batman from Red Rain. And according to the solicitations: "Earth-12 is a future world inhabited by a version of Batman beyond anything ever seen. The Green Lantern of this Earth is making his first appearance in Countdown: Arena." However, it is not Kai-ro.
Countdown: Arena
