Start year: 2017
Issues in volume: 5
Five issue mini-series telling the story of an alien introduced in Hellboy: Conqueror Worm.A short prelude story by the same creative team was published in Hellboy Winter Special 2017.Collected EditionsHellboy Universe: The Secret HistoriesThe Visitor: How & Why He StayedNote: Volume named per the indicia which does not use the ampersand.
Publisher: Dark Horse Comics
Issues in this volume: