Skull Dugger's Killjoy Capers are on a murderous spree!

Continuing his hunt for the murderous Cosmo "Skull" Dugger, Batman finds himself struggling from an odd mental affliction. Do to an unfortunate encounter with Dugger's Recognito machine, all of Batman's instinctive reflexes of joy instead produce overwhelming levels of pain. Turning to the nefarious Dr. Tzin-Tzin, Batman devises a plan to stop the Skull.