Batman: Last Knight on Earth #3

Synopsis

Batman is reunited with his former allies, who as the Court of Owls fight against Omega. To end Omega's control of Gotham, Batman's allies head to Arkham Island, where Dick, Barbara, Duke, and Bryce fight against the Arkham villains while Wonder Woman must free Martian Manhunter whom Omega is using to boost his mental control over Gotham. Meanwhile, Batman and the Joker confront Omega at Wayne Tower, where Batman learns Omega's true identity.