User blog comment:JKGame/The Joker vs Kuchisake-Onna: Epic Rap Battles of the Universe Halloween Special/@comment-38608712-20191029235148

Awesome battle for Halloween. Great work! Also a new streaming service called HBO Max is coming in Spring 2020. And there's a streaming service called DC Universe which has plenty of DC content.

For the hint: Cat Noir? Black Panther?