Village Roadshow CEO Steve Mosko briefly commented on the possible “Joker” sequence in a recent interview with The Hollywood Reporter:

What’s up with the Joker sequel?
We’re keeping our fingers crossed that a great script comes in and we see a Joker 2.

“Joker” (2019) was produced by Warner Bros. Pictures, DC Films and Joint Effort, in association with Bron Creative and Village Roadshow Pictures, and distributed by Warner Bros.