The Ultimate Vampire Resource and Directory

"The Immortal Vampire"
Spider-Man and Blade put aside their differences in an attempt to prevent Morbius from using the Neogenic Recombinator to transform everyone into vampires. They team with Lt. Terri Lee, whom falls for Blade. Morbius kidnaps Aunt May, followed by Felicia Hardy planning her to be the first whom he transforms using the Recombinator. At the end of the episode, after Spider-Man and Blade rescue Felicia, Morbius is transformed in to a bat-like creature as of his mutation.