Captain Britain and MI:13: Vampire State
if you haven't picked up MI13 before, this would be a great point to join in, it's a great series.
Dracula and Dr. Doom on the moon in itself is pretty interesting:
Interviews with Paul Cornell on this arc:
http://www.marvel.com/news/comicstories.6672.MI13~colon~_Dracula_Comes_to_Britain