With plenty of violence and mature themes, these superhero cartoons are definitely not meant for kids. For this list, well be looking at the most mature animated movies and TV shows in the genre. We wont be counting shows like Batman: The Animated Series that had adult themes but werent strictly made for older audiences. Also, beware of spoilers ahead. Our countdown of the most adult superhero cartoons includes Invincible (2021-), Justice League Dark: Apokolips War (2020), Batman: The Dark Knight Returns Parts 1 & 2 (2012-13), Hellboy: Blood and Iron (2007), and more! Did we miss any of your gritty favorites? Let us know in the comments below!

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