S4·E9 Partners in Danger: The Haunting of Mary Jane Watson
Aired July 19, 1997
Synopsis
Mary Jane is back, and she has got the lead role in a major film. But when filming starts, all hell breaks loose, and Mary Jane vanishes from the studio. Spider-Man must fight to ensure that he doesn't lose Mary Jane again, even if it means teaming up with Mysterio. And when it's all over, Peter has a secret to tell.