Question: Heavy Metal 2000 is a follow-up to a film which was produced by what two people?
Sentence (from "Heavy Metal (film)"): Heavy Metal is a 1981 Canadian-American adult animated sci-fi-fantasy film directed by Gerald Potterton and produced by Ivan Reitman and Leonard Mogel, who also was the publisher of "Heavy Metal" magazine, the basis for the film.
Relevant evidence: Yes