After the defeat of the Man-Bat on Halloween night, Bruce and Thomas Wayne, Jr. have been to pick up on an increasing number of dead an imprisoned criminals left and right in Gotham City, and realize that there is another Dark Knight mopping up the streets while they do the heavy-lifting against villains like the Joker. Now, Batman and Owlman must seek out this caped crusader and train them to be a better version of themself, while unbenknownst to them, Jack Luthor and Dexter Dent, also known as the Joker, have both broken out of Arkham Asylum, and have now brought a special friend with them to not only kill the Batman as the Joker desires, but to fulfill Jack's desires for Superman's family too...
