The vampire hunter Blade arrives in New York to destroy Morbius, but Spider-Man wants to revert Morbius back into his human form.

Morbius attempts to use the Neogenic Recombinator to turn everyone else into a vampire. Spider-Man and Blade try to stop him, and Morbius' mutation worsens. Morbius kidnaps Felicia Hardy in order to transform her into a vampire.