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 42 of 68 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 42 Quicksilver From Avengers: Age of Ultron What to wear: A skintight blue long-sleeved shirt and pants (think: a wetsuit). Wear a blond wig, and add a little mustache. How to act: Get everywhere very quickly, and use a Russian accent. Previous Next Start Slideshow HalloweenHalloween CostumesTVMovies