Hellboy isn't from Marvel. It has its own unique universe and publishing house, which is Dark Horse. The character and stories have distinct characteristics that set it apart from Marvel's offerings.
Hellboy was not a Marvel comic. It has its own unique universe and was produced by Dark Horse. The character and storylines are distinct from anything in the Marvel universe.
Hellboy isn't from Marvel. He was created by Mike Mignola and is associated with Dark Horse. Marvel has its own distinct roster of characters, and Hellboy isn't among them.