This movie is extremely gory and horrific for an animated feature, with lots of depictions of demons, hell, and innocent souls in torment, with some sexuality thrown in just to make it more uncomfortable. Fans of Constantine specifically may enjoy it, but casual super hero enthusiasts should give this one a miss.
Content warning: gore, torture
Closest comparison: It’s like a cross between Dr. Strange and Hellraiser.
Setting: Hidden World
Plot: Super Hero
Tone: Horror