Future Lex Luthor

In an alternate timeline where the heroes and villains of the world have fallen to Brainiac, Batman has become a colder, cynical and brutal man; having survived while watching his friends and loved ones die around him. Following a final betrayal by Lex Luthor, who also survived the onslaught, Batman pursues the traitor across time to prevent the megalomaniac from destroying another timeline due to his ambition.