Opinion: Gunn should introduce a more experienced Batman so we can finally get some live action ...

Nightwing, Red Hood, Damian Wayne, Tim Drake, Batgirl, ... we could finally get the Batfamily! Otherwise, we will never see them on the big screen. And no one needs another Batman origin.

Pattinsons Batman seems to cover already the classic villains, i.e., Joker, Penguin. So Gunn could cover the weirder ones, i.e. Clayface, Mr Freeze, ...