The Hollywood Reporter just released an article reporting that Warner Bros. and Chris McKay are developing a Nightwing movie set in the DC Extended Universe.
McKay recently directed The LEGO Batman Movie and is now in discussions with the studio to bring Batman’s former sidekick to the big screen. THR also claim that Bill Dubuque (The Accountant) is writing the script.
Nightwing aka. Dick Grayson is a fan favourite DC Comics character and the original Robin.