Core messages about empathy and responsibility are strong. "With great power comes great responsibility" is the lesson learned here as a new hero is born. Other themes include integrity, self-control, perseverance, and courage.
Lots of cartoon violence, with fight scenes (some intense), fires, explosions and people getting vaporized, shot (off-camera), and in one case, impaled. A group of schoolchildren is in peril; and parents emotionally abuse their children.
Passionate kissing. MJ wears a clingy wet T-shirt in one scene.