Even with three feature-length adventures under his belt at this point, Hellboy has yet to be featured in a film that fully captures the atmosphere of the comic book series from which he originates. While Hellboy: The Crooked Man is technically a side story outside the main Hellboy narrative, it perfectly encapsulates the vibe that Hellboy was created for in the first place. From the horror elements audiences have come to expect from a Hellboy tale to the exploration of deep-rooted folklore, The Crooked Man has it all.
Source：https://www.cbr.com/why-crooked-man-perfect-hellboy-story-to-adapt/
