If you were going to wager on any member of the Birds of Prey to pop up in the upcoming Harley Quinn spin-off movie, then Barbara Gordon would easily be the safest bet.
However, at this stage it’s difficult to know what version of Barbara we will get on the Birds of Prey team.
The daughter of Commissioner James Gordon, and secret ally of The Dark Knight, the young Ms. Gordon has become one of the most iconic heroines in all of comics.
However, considering how far into the Batman mythos the DCEU already is, it’s also very possible that she could take the form of wheelchair-bound tech genius known as Oracle.