Synopsis
Who is Superman's Joker? It seems it's the unseen terror, who makes the
battle personal for Superman! By attacking all things related to the Man of
Steel! Together, Batman and Superman start to track down suspects but the true
identity of the villian will truly shock you! No one is safe when the one you
are hunting has no motive or pattern like the real Joker! Collects
BATMAN/SUPERMAN #16-20, BATMAN/SUPERMAN ANNUAL #2, BATMAN/SUPERMAN: FUTURES END
#1.