The Penguin is an upcoming limited series and spin-off to The Batman that will premiere on HBO Max. The series will follow Oswald Cobblepot as he attempts to take over Gotham City's criminal underworld in the aftermath of the film's events. Plans for a Penguin spin-off began during post-production on The Batman. In September 2021, LeFranc was hired as showrunner. Colin Farrell, who portrayed Penguin in the film, signed on as executive producer and star during December. After The Batman' success, HBO commissioned the series in March 2022.