Batman discovers the malevolent force behind the huge robot that's menacing Gotham City—and it pits Bruce Wayne against Metropolis mogul Lex Luthor for the first time. 'Rules of Engagement' part 2.
Greg Pak, Andy Diggle, Benjamin Percy, Gail Simone, Mark Russell, Vita Ayala, Danny Lore, Dean Kotz, Luca Casalanguida, Kewber Baal, Eoin Marron, Robert Carey & Jordi Pérez