She is only seen in Lost Boys: Reign of the Frogs and mentioned in The Lost Boys.
Although she is not seen, she was mentioned. It's implied she has some sort of relationship with Grandpa. In the climax of the film, Sam tricks Grandpa into visiting her.
Lost Boys: Reign of the FrogsEdit
Sam Emerson, his Grandpa, and the Frog brothers go to her lair and are confronted by her minions. One forces Alan to drink vampire blood and he "enjoyed it".
Eventually, the black widow comes in the form of a giant vampire beast who kills Grandpa and fights Edgar, who shoots at her with wooden stakes. Her ultimate fate remains unknown.
|The Widow Johnson aka The Black Widow|