The Showdown Between Batman's Two Arch-Enemies

"Heh heh heh..." While Batman was still worrying over whether Joker was brewing some scheme, inside a ward in Arkham Asylum, Joker wore a kindly smile—only for his expression to suddenly twist in struggle the next second. "I'm Joker, no! I'm not Joker! I'm S... no! I am Joker! Heh heh heh..."

"How interesting. To think you became Joker... no, to think I became you... that's not right either! Forget it. Either way, my identity belongs to you now, so your identity belongs to me. After all, we're one person now, aren't we? Heh heh heh..."

Peals of eerie laughter rang out through Arkham Asylum. As that laughter spread, the other patients outside froze at first when they heard it, then started laughing along with him.

"Hm?" Outside Arkham Asylum, a figure had been quietly approaching the asylum, but before he could enter, he heard burst after burst of mad yet distinctly different laughter. The sound made him hesitate and stop.

"Was I discovered?" The figure took a deep look at Arkham Asylum. Then a black shadow vanished from beneath his feet, while he seemed to melt into the darkness, continuing to silently spy on what was happening inside Arkham Asylum.

"Huh?" Inside Joker's room, Joker's mouth, which had been stretched into a year-round grin, suddenly went rigid for an instant. His gaze abruptly snapped toward the shadow by the door. Just then, a dark silhouette crawled out of the shade and turned into an inhuman monster wearing a mask.

"I feel like I should have seen power like yours before, but I also seem to have forgotten that memory..." When he saw the masked monster, Joker finally reined in the smile on his face. Unwillingness and fury flashed in his eyes, and his body trembled slightly. "Who was it?