Take another look @ leaked set footage from "Suicide Squad", showing Jared Leto as the 'Joker' slapping out Margot Robbie as 'Harley Quinn':
"Suicide Squad", aka "Task Force X", debuted in DC Comics' "The Brave and the Bold" (vol. 1) #25 (1959) then revived in DC's "Legends" #3 (1987).
The current 'Suicide Squad', created by John Ostrander is an anti-hero team of incarcerated super-villains who act as assets for the government undertaking high-risk black ops missions in exchange for commuted prison sentences.
Click the images to enlarge and Sneak Peek "Suicide Squad"....