As the DCEU evolves and the animated Harley Quinn series airs its new season, kids deadpool costume fans will surely see more iterations of the character. You will often see cosplayers from around the region travelling down to Kuala Lumpur just to attend the annual comic convention. That being said, Harley Quinn remains one the most popular cosplay/Halloween costumes, so no doubt fans will continue to create their own takes on the character for years to come.