DC Comics' "Batgirl" #6, available February 8, 2012, is written by Gail Simone and illustrated by Ardian Syaf, Vicente Cifuente, with a cover by Adam Hughes :
"...during the day, 'Barbara Gordon' has to deal with the emotional fallout of the return of a key figure from her most painful memories, while at night, high above the streets of 'Gotham City', 'Batgirl' and 'Batman' face the deadly 'Gretel', a damaged woman with the lethal ability to control men's minds!
"This is Batgirl's first face-to-face with Batman since her rehabilitation -- and he has a few choice words to say about her return to crime fighting..."
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