Like a whole line of Flamebirds there’d be Bette and then like whoever Juno Temple’s playing in TDKR or maybe that new girl from the Batman comics and then it’d be the girl who stalks Bette and is in like with her and then it’d be a dude because WHY do guys never take over female legacy characters OH YEAH because every time a woman becomes a superhero it has to be VERY SPECIFICALLY FEMALE like even Batman can be a woman if played right (Helena B come back I miss you)
so this dude will take over as Flamebird and then it’ll be Kate’s offspring when her DNA was taken and used to make a little half-clone baby thing that’d be the most demonic little princess EVER TO WALK THIS VERY EARTH.
And then there’d be a whole line of Batboys, and the boy Flamebird would become one, but before that the son of a couple assassins who doesn’t speak but loves people and works for the symbol and is balls and before that a guy who now serves as tech support/daddy to the Batboys and Flamebirds.
It’d all be the same but more amazing ladyfolk and Kate would be such a better parent and her dad could be Alfred and also the family dynamics would be very different I think but that requires more thought.
Gosh this would be such a good universe.