Batman: Reborn
If the rumors of Ben Affleck wanting out of the Batcave are true, it’s important that the Nightwing film is fast tracked and done right. Rather than having to recast Batfleck then, the producers only have to let Dick Grayson take over the cape and cowl and introduce Damian Wayne as Robin.
Pairing Dick and Damian as the Dynamic Duo has been done before in Grant Morrison’s 2009 Batman and Robin comic book series. Their chemistry was off the charts, and the Batman: Reborn arc, in particular, featured a different form of the heroism and humor that we don’t often associate with Bruce’s Dark Knight chronicles.
There’s the real possibility of telling an emotional story where Dick doesn’t feel good enough to take up the mantle, while forcing him to grow up and take the snivelling, little Damian under his wing. It’s the perfect student-becoming-the-master narrative, really.