Black Cat acts, sometimes, sensual around Spider-Man.

Shirtless men on a few moments (wrestlers and scenes of lab expirements are occasional scenes to show a fair lack of clothing), but not much lack of clothing apart from that.

Mild innuedos.

Relatively high, on par with the MTV series

teenage romantic relationships are a very common theme in this series, and involves kissing sometimes.

Some characters get shot by laser guns in certain moments.

Carnage symbiote resembles blood.

Explosions occur frequently in the series.

there are injuries in the series, sometimes diseases, but gore is rare.

cartoon action violence. Lots of kicks, some punches, shooting with laser guns, destruction, fights with superpowers, etc.

Realistic guns appear in a few moments, although it is never fired.

Most of the character's deaths happen either offscreen or in flashbacks. Some deaths are never shown, as they are more implied. Moments of a character dying onscreen are rare.

A few insults.

Expressions with the word "God", like "oh my God" and "thank God", are said a couple of times.

Mild language. Words like "heck" and "blazes" are used sometimes.

Whenever a social party happens on the series, a few guests are shown with alcoholic drinks.

James Reeves' serum is basically a drug.

Characters like Blade, Kraven and Green Goblin, use toxic gases and sleeping gases against its opponents.

Season Two features a darker tone, with scenes that may be scary and disturbing for younger viewers.

Dr. Connors visibly mutating into Lizard is frightening.

Despite being a cartoon aimed for younger people, this show is very mature and gets depressing sometimes.

Even though humor is present on the series, this is the Spider-Man TV show with the most heartbreaking and dark moments, if comparing to others cartoons of the hero.

A lot of intense action scenes.

Some villains, like Venom, Carnage, Morbius, Lizard and others, may be scary for kids.