So... I'm obsessed. I decided to turn my obsession into something wearable.
I started off with some batman bedsheets I got at the goodwill, and tried to duplicate what SallySparks did here: https://www.craftster.org/forum/index.php?topic=2409.0
But it looked more like a toga party dress than a cocktail party dress. So I caved in a bought some walmart batman fabric.
Here's how it turned out after several late night sewing sessions: Please tell me that you think. Thanks.