The sinister Darkhold first appeared on screen in Marvel's WANDAVISION, and returns to menace the MCU in AGATHA ALL ALONG, now streaming on Disney+!Learn the hidden history of Marvel's most terrifying tome! Penned by the elder god Chthon and containing the blackest of magic, the Darkhold is the most dangerous book in the Marvel Universe! And it may just be responsible for the terrible curse that afflicts Jack Russell, the Werewolf by Night! But Jack's quest for the truth will lead him into some very dark and deadly places! When Modred the Mystic dares to learn the Darkhold's secrets, what he uncovers only spells trouble for the Avengers when Chthon chooses the Scarlet Witch as the vessel for his rebirth! And Doctor Strange attempts to use arcane words from the Darkhold to destroy all vampires, including Dracula himself! Collecting MARVEL SPOTLIGHT (1971) #4, WEREWOLF BY NIGHT (1972) #1 and #3, AVENGERS (1963) #185-187, DOCTOR STRANGE (1974) #59-62, and material from DRACULA LIVES #6.