Vampire State is a 6-part story arc in issues #10-15 of the 1st volume of Captain Britain and MI-13 written by Paul Cornell.
Synopsis[]
In which the aftermath of the Skrull Secret Invasion, a weakened Great Britain is conquered by vampires led by Dracula and his ally, the demon sorceress Lilith.
Note[]
The vampires of Marvel Earth are part of the Mythos. Being created by the Darkhold (the source of the Necronomicon), which was created by the Elder God, Chthon. The Darkhold not only has a spell which creates vampires but one that destroys them. Vampires have used the Darkhold to enhance themselves and Dracula, the Lord of Vampires was himself destroyed and restored by the Darkhold, and has used it to increase his powers.