Popsugar Popsugar Harry Potter Easy Cosplay Costumes: Wonder Woman October 21, 2016 by Ann-Marie Alcántara What you need: A mixture of red and blue clothing, as well as gold construction paper. Harry PotterHalloweenAdventure TimeHalloween CostumesWonder WomanPokémonDIY Halloween CostumesStar WarsMarvelHalloween Costumes 2020