The Joker Presents: A Puzzlebox — DC Comics
Issue: #12
Everyone has been double-crossed and betrayed - their Master Engine boxes don't work, and there is only one person to blame...JOKER. There's fighting, there's yelling, there are death threats as the final clue reveals itself as to WHO KILLED THE RIDDLER!
Creators: Ulises Arreola, Enrica Eren Angiolini, Matthew Rosenberg, Juan Doe, Miguel Mendonca
Characters: Mr. Freeze, Riddler, Scarecrow, Penguin, Mad Hatter, Joker, Two-Face, Harley Quinn, Poison Ivy, James Gordon, Man-Bat, Bane, Clayface (Karlo), Catwoman, Batman, Dick Grayson