The Joker stepped out of the swirling portal, adjusting his purple coat and glancing around in confusion.

He was in a massive hall filled with people, many of them dressed in outlandish costumes. He spotted a group wearing cheap knock-offs of his suit and cracked a wide grin.

"Well Well... Is this some sort of costume party I wasn't invited to?" he chuckled, sauntering through the crowds.

He snagged a comic off a nearby table and thumbed through it idly. "Certainly done their research..."