Fan CastingBatman And Owlman: The Long Halloween

Description of "Another Dark Knight" (Mid-Credits Scene):

After the Man-Bat is locked up in the dungeons of Arkham, Batman and Owlman return to Wayne Manor, where Dick Grayson is waiting for them. Dick greets Bruce and Thomas, Jr. before saying, "You two might want to read this..." and handing them a newspaper. There, Bruce reads what the paper covers, which is the fact that there were more and more criminals being locked away in Arkham Asylum, with the one major evidence of truth being a bunch of red and crimson Batarangs being spotted left and right. It is in this moment that Batman realizes that there is another Dark Knight cleaning up the streets of Gotham, one he must now seek out..