It's actually not from the comics, it's from a DC figure line called Ame Comi, which is pretty much a re-imagining of DC characters as anime-styled characters. It's mainly all girls, or guys turned girls, outside of Batman.
[link] If you wanna take a look I actually collected all the designs out so far.
I have no idea honestly my photographer kept having me extend my leg farther and farther to get the "dynamic" look like in the comic books. I just wanted to kill her because my legs were shaking so bad I thought I was going to fall.
Comic cosplay has taught me I'm surprisingly more limber and flexible than I thought.