Captain Britain and MI13

Captain Britain and MI13 is an American comic book series published by Marvel Comics and written by Paul Cornell, with art by Leonard Kirk. The series centers on the fictional British government agency MI: 13, which is dedicated to protecting the United Kingdom from supernatural threats. The main strikeforce is led by the superhero Captain Britain (Brian Braddock), and consists of various Marvel Comics characters that are of British descent or have a connection to the country. The series launched as a tie-in to the Secret Invasion event in May 2008 and ceased publication with issue #15.

"Vampire State (Volume 1, Issue #11)
Dracula continues his plan to take the United Kingdom for vampires and monsters. Who is the traitor in the ranks of MI13? Can Spitfire possibly deny what she is? Can Captain Britain save his nation?