Originally Posted by
FHIZ
No, it would be completely contrived. Everything that has lead up to that point in time has basically been erased. You can say "She's been Batman's operative in Hong Kong" but who is she? She's certainly not the mute girl who came around in No Man's Land, was trained by Oracle, became Batgirl until she gave the mantle to Stephanie Brown... because none of that happened.
She's going to have to be reintroduced from square one, because everything that connected her to the Bat family has been erased or changed drastically.