Popsugar Entertainment Halloween Costumes 2018 Superhero Costume Ideas 2018 Get Ready to Save the Day With One of These 50 Superhero Halloween Costume Ideas 24 October 2018 by Mekishana Pierre View On One Page Photo 8 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Supergirl From Supergirl What to wear: A red skirt, matching boots, a gold belt, and a blue long-sleeve top with the Supergirl logo placed on your chest. Previous Next Start Slideshow Halloween Costumes 2018DCJustice LeaguePop Culture Halloween CostumesMarvelBlack PantherMoviesThe AvengersTV