Witness a never-before-revealed meeting between Bart and the Dark Knight, an adventure in which they join forces to stop the Joker. But can Impulse conquer his next enemy without Batman's help?
D.C. Johnson, Mark Waid, Karl Kesel, James M. Faerber, Chuck Dixon, Tom Peyer, Todd DeZago, Peter David, Todd Nauck, Humberto Ramos, Michael McKone, Craig Rousseau, Cully Hamner, Joe Phillips, Ethan Van Sciver, Amanda Conner, Marty Egeland & Angel Unzueta
