In an extended fight scene, Harley raids a police station and shoots many cops with a gun- however all of these blasts are non-lethal paintballs, confetti, gas canisters, and large marbles and nobody is killed.
Harley fights several goons and caves-in one man's head with a baseball bat. Another man runs towards her but she throws the bat at him and he does a backflip, landing on his head.
Huntress tackles a man and the two slip down a slide. She lands on top of him and stabs him three times. Some blood but it is shown from a distance.
There is a lot of violence but it is all comical and only some is graphic
A grenade is planted on a man. He's thrown off a pier and we see the body explode before it hits the water. Very comical but very graphic.
A Hyena is seen briefly eating a man's severed leg. Quick but graphic.
Roman sexually harasses a girl in the middle of the movie. He tells her to dance, and then has someone rip off her dress. She cries and screams in embarrassment. Black Canary turns his attention away from her.
Faces are cut off by the sadistic villain.
A man drugs Harley and offers to "take her home." Black Canary sees what's going on and beats the guy up and saves her.