In addition to Joker and The Batman, Birds of Prey (And The Fantabulous Emancipation Of One Harley Quinn) should utilize a mixture of drama and comedy.
So while Billy Batson and Freddy may have their childhood games in Shazam!, we shouldn’t expect the entire DC Universe to go family friendly.
There’s also Wonder Woman 1984 to look forward to, although that Patty Jenkins has up her sleeve for the sequel is anyone’s guess.
There are projects coming down the pipeline which should have their share of dark material, so the studio is going to have to flip between vastly different projects.