Superman [Clark Kent; Kal-El]; Batman [Bruce Wayne]; Teen Titans [Aqualad [Garth] (hologram); Kid Flash [Wally West] (hologram); Robin [Dick Grayson] (hologram); Speedy [Roy Harper] (hologram); Wonder Girl [Donna Troy] (hologram)]; John Henry Irons; Professor Kale; VILLAIN: Dr. Light [Arthur Light; also as Linders]
Dr. Light is back - and he's got the Titans on his side! [per solicitation]
Dan Didio discusses COUNTDOWN: ARENA and breaks down 26 of the 52 Earths. Hot list - COUNTDOWN PRESENTS: THE SEARCH FOR RAY PALMER: RED RAIN #1, GREEN LANTERN #25 and TALES OF THE SINESTRO CORPS: ION #1. House ad for SUPERMAN/BATMAN #44.