Morbius in Spider-Man 4?

spidey78In a recent interview with Empire Magazine, Spider-Man director Sam Rami hints at a vampire making an apperance in an upcoming movie.  Rami says “I like it in the Marvel comics when Spider-Man fights Morbius,” said Raimi. “He’s really cool. A vampire! I like that combination of superhero plus supernatural.
Over the years Raimi has stated in interviews that the Lizard, Mysterio and Electro would make great villains on film. Who do you think should be the next villain?