"There's no character closer to my heart than Barbara Gordon. Her new villains are just….ooooh," said Simone excitingly.
The writer went on to reveal a new villain called 'Mirror' and some panels of the character, who appears like a mysterious flasher shoving what appears to be a garden hose down an old man's throat. "He's really creepy and really cool," she said. Simone went on to tease the new Bat-Girl costume saying, "There's some things wired into her costume that is something that hasn't been done before, which is the reason why it looks the way it does," she said.
Source