Season 2: themes of incest. Implied. Later on incest and rape is directly and explicitly mentioned.

A woman is seen licking Luke's nipple in a up close shot.

Some women are seen wearing revealing dresses throughout the series.

One scene is shown in a strip club, a man is seen getting a lap dance as he rubs money on a woman, and multiple woman are seen dancing in thongs on stage. (Season 1)

In season 2 Mariah says to a man, "I'm gonna cut your balls off!" And the man replies' "Okay, you going to blow on them first?"

We see a brief flash of two people having sex. This episode contains references to sexual abuse of a child although this is not shown.

Multiple people are shot with brief blood and injury seen

Someone gets shot in the head and blood explodes out

Someone gets shot by a shotgun which leaves a large gaping hole in their torso. A moderate amount of blood explodes out.

A prolonged and intense scene shows a person (off screen) getting repeatedly punched while blood sprays onto the face of the perpetrator

In slow motion, someone is shot in the neck and a little bit of blood squirts out.

A person is pushed off a roof and we see them fall a large distance and land on a car.

Someone is strangled to death.

We see an inmate get repeatedly stabbed by a shiv. Little to no blood.

Someone's neck is broken with an audible crunch

A corpse is briefly visible underneath debris. Little injury detail shown.

A person is unexpectedly shot in the head and a large blood spurt comes out.

A person is shot with a special armor piecing bullet which explodes a hole in their chest causing blood and guts to spray out onto the camera.

A person gets shot a couple of times and some blood comes out

A person gets knocked off a balcony, presumably breaking their back, and then their head is repeatedly smashed with a mic stand offscreen, but we hear squishy crunchy noises.

A table of people gets killed. Someone is shot in the head. Another person gets a knife into their eyeball. Another guy gets shot in the neck with blood squirt, and the bullet goes through the neck and hits another person's head killing them too.

A couple of people get punched by a scifi tech fist weapon. The aftermath is shown with large bloody dents in the corpses with ribcages visible.

Someone is shot in the head and blood squirts out and splatters onto the ground.

A shootout shows numerous people getting shot with blood results, blood squirts out.

A person is suddenly and unexpectedly shot in their head but not much injury or blood is shown

A person gets a knife sliced across their face, slicing through both their eyeballs while they gurgle in pain. Eyeball juices and lots of blood oozes out

Someone is shot in the head and a splat of blood goes onto a couch.

3 decapitated heads are seen on spikes.

One person gets tied up and forced to watch their innocent family get gunned down. Very sadistic, brutal and intense. Afterwards, they are burned alive, screaming in agony for a few seconds before the murderer gets bored and shoots them dead.

A person is stabbed a dozen times, and 3 other people get neck sliced.

Someone gets poisoned and vomits up blood

In total, over 120 people are violently but non-fatally incapacitated

Season 2 seems to be much more graphic as the first and justifies the mature audience rating. It contains incredibly violent killings with most taking place all onscreen.

People are shot with handguns, 1 character is shot with a shotgun which blows a hole in him - blood sprays (it's a dark night scene so gore isn't super visible) a guys face gets beaten and bits of blood and flesh fly on the face of the guy doing the beating. people get shot, thrown through a window. In one episode, a teenager gets his finger chopped off onscreen.

1 use of fuck, 78 uses of the n word in the entire series.

Several n words, one f word muttered but written out in closed captioning, moderate language consists many uses of shit, including bullshit, goddamn and bitch in reference to women; other profanities all fairly frequent.

Drinking of alcohol in nearly every episode.

Pops talks about a man who went from selling drugs, to doing drugs. This is only talked about and never shown.

In season 1, episode 1: A thug punches Luke Cage in the face, we see an up close shot of the man's hand breaking in slow motion, the bone breaks out as blood gushes down his hand. Then unharmed Luke Cage grabs the same man, and throws him through a window.