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.
Harley is mentioned breifly by the Joker but never appears in the movie. Yes, Harley is a major role in the movie and helps Blackmask with capturing the Red Hood. Harley is in the movie once or twice, although they never really get into their love life. No, she isn't in the movie at all.