As many are aware, there's a new Joker origin film coming out later this year starring Joaquin Phoenix. As excited as we are of seeing the Clown Prince of Gotham get his own movie, one thing gives us pause: the Joker's LACK of an origin is one of the things that makes him one of the most compelling villains in comics history. In this Wisecrack Edition, we'll look back at how comic writers have utilized the Joker's mysterious origins to create a philosophically compelling antagonist and predict which version might inform the the live action adaptation coming in 2019.