Meanwhile, great for halloween parties, costume party, masquerades, carnival, cosplay ball, or any other parties. With a little bit of shopping around, you can easily find a perfect Lady Loki cosplay costume. Cosplay fans dress up as a character often from popular anime or computer games. Despite their reputation as fun-but-dumb popcorn flicks, a number of modern action films don’t sacrifice character development or plot in their pursuit of thrilling set pieces.