I've looked everywhere for black shrink plastic and can't even find regular shrink plastic! Seems like the stores around me don't carry it anymore...the horror!
I do have a supply of non-black shrink plastic, so I think I may be shrinking a bunch and then painting them with acrylics. I have a Christmas party after Christmas (last year it ended up being in April with all of the busy schedules), so I have plenty of time to whip up a bunch of these!
And, I love how you have a "villain" side and a "hero" side!