Justice League of America #48

It's the grand finale of this team-up, and it's chock-full of revelations as the greatest threat to the Earth may not be Alan Scott or the chaotic energy of the Starheart, but one of the other members of the two teams!

Characters: Atom Smasher, Commander Steel (Nathan Heywood), Congorilla, Construct, Courtney Whitmore, Cyborg, Dick Grayson, Doctor Fate (Kent V. Nelson), Doctor Mid-Nite (Cross), Donna Troy, Eclipso, Flash (Garrick), Green Lantern (Scott), Hourman (Rick Tyler), Jade, Jeffrey Graves, Jesse Chambers, Kyle Rayner, Lightning, Mister Terrific (Holt), Obsidian, Power Girl, Red Tornado, Sebastian Faust, Sonia Sato, Starman (Mikaal), Supergirl (Kara Zor-El), Tomcat, Wildcat