A feline litter usually consists of two to five kittens born after a gestation lasting between 64 and 67 days, with an average length of 66 days. Kittens emerge in a sac called the amnion, which is bitten off and eaten by the mother cat.
Harley Quinn. Dr. Harleen Francis Quinzel, also known as Harley Quinn AND is a 'VILLAIN' not 'ANTI-HERO', first appeared in the Batman: The Animated Series episode Jokers Favor (episode #022, original air date: September 11, 1992) where she served as a humorous female sidekick to the Joker.
A big question after the footage is, will we get to see the origin of Harley Quinn in Suicide Squad? Before she was the psychotic sidekick of the Joker, she was a promising psychiatrist by the name of Dr. Harleen Quinzel. She was assigned to Arkham Asylum, where she treated the Joker.