Popsugar Entertainment Halloween Pop Culture Halloween Costumes 2015 This Year's Hottest Pop-Culture-Inspired Costumes October 28, 2015 by Shannon Vestal Robson View On One Page Photo 37 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 37 Scarlet Witch From Avengers: Age of Ultron What to wear: A black miniskirt and tank under a red leather jacket. Black knee socks, boots, and leather arm warmers. How to act: Speak in a stilted Russian accent and lock eyes with people, staring at them enough to weird them out. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies