Harley Quinn and Her Gang of Harleys (2016) #5

This is it-the story you've been waiting for: the secret origin of comic's newest, deadliest and most insanest villainess, Harley Sinn! Why is she so obsessed with Harley? How did she manage to become a super-villain? And what is her connection to the Gang of Harleys themselves? Find out this issue! Plus...Harley's still kidnapped! So there's that.