If your kid knows Deadpool as a wisecracking goofball, do not hand them this book. This four-issue miniseries isn't a comedy; it is a gory horror comic where the Merc with a Mouth systematically murders every hero and villain in the Marvel canon.

The premise starts with a clever meta hook: Deadpool realizes he is a fictional character trapped in an endless cycle of comic storylines and decides the only mercy is to slaughter his universe. But the execution trades cheeky humor for straight-up slasher tactics. Expect severed heads, point-blank executions, and a bleak tone throughout.

For older teens and adults who want a dark alternate-history stunt, it's a fast graphic novel. For anyone younger, it's nightmare material.