Batman & The Joker The Deadly Duo #2 (Of 7) Cover G 1 in 100 Christopher Mitten Variant

Batman has joined forces with his archnemesis, and things are already off to a rocky start. But time is of the essence as another piece of Commissioner Gordon is delivered to the Gotham City PD. Will Batman be able to work fast enough to save his dear friend, or whatever is left of him?