Contestants send in photos of their work. Judges take all this work into consideration when the cosplay competition arrives. Face it, Hela’s threads are as fierce as she is, so if you want to cosplay Hela right, you need a high-quality Marvel cosplay costume to convey the wrath she doth possess. Infinity Gauntlet to pose as Thanos from Avengers: Infinity War. “It’s a masterpiece. That’s the standard at our house,” Lexi said.