Harley Quinn cosplay

Socorro Pena, as Harley Quinn, and Carlos Lopez, as the Joker, take a break outside of Stan Lee’s Comikaze Expo at the Los Angeles Convention Center on Nov. 1, 2014.

Batman characters Harley Quinn and Killer Croc have a slight altercation during Comic-Con International 2016 on July 23 in San Diego.

Captain Jack Sparrow from “Pirates of the Caribbean” poses with, from left, Batman characters Harley Quinn, Poison Ivy and Catwoman at Comic-Con International 2016 on July 23 in San Diego.

Briana Roecks and Adam Earnhart (as Batgirl and Robin) cosplay with Kristin Sanchez as Harley Quinn at Comic-Con International in San Diego on July 18, 2013.

Harley Quinn gets a little fancy with an elaborate mask during Comic-Con International 2016 on July 22 in San Diego.

Amber Day plays the part of Harley Quinn from “Suicide Squad” during Comic-Con International 2016 on July 23 in San Diego.

Hayley Blumberg as Harley Quinn passes by a “Star Wars” cosplay gathering outside the San Diego Convention Center during Comic-Con International 2016 on July 21.

Sara Milne from Escondido is Harley Quinn at Comic-Con International 2014 in San Diego on July 24.

Alex Naldron is Harley Quinn on the floor of Comic-Con International 2015 in San Diego on July 11.

Jennifer Adams is Harley Quinn and baby Anna is the Joker at Comic-Con International 2015 in San Diego.

Alex Guzman cosplays as Harley Quinn at Comic-Con International 2014 in San Diego on July 24.

Vincent Brach as the Joker, Courtney Hagans as Harley Quinn, Ashley Waner as Poison Ivy and Melanie Watson as Catwoman pose for a portrait outside the San Diego Convention Center during Comic–Con International 2012 on July 12.

Nicole Carter of Buena Park as Harley Quinn and Jrzil Ayhasweg of Long Beach as Captain America at WonderCon in Los Angeles on March 25, 2016.

A convention attendee puts her spin on the character Harley Quinn during Comic-Con Interational 2016 in San Diego on July 23.

The “Suicide Squad” version of Harley Quinn comes to life at Anime Friends, an anime, gaming and comic event in Buenos Aires on July 24, 2016.

Casy Hayes as Alistair Mad Eye Moody from Harry Potter, Arieanne Bewarder as Harley Quinn, Saemlinh Inmany as a Jakk’s Toy Batman and Stephanie Inmany as Harley Quinn at Comic-Con International 2016 in San Diego on July 21.

Jessica Kang as Poison Ivy, Jennifer Kang as Catwoman and Joshlyn Jacquez and Harley Quinn at the Comic-Con International 2015 in San Diego on July 9.

From left: Characters Harley Quinn from Batman, Scarlet Witch from the Avengers, Quicksilver from the X-Men and Princess Merida from the movie “Brave” pose during Comic-Con International 2016 in San Diego on July 23.