[1] The player character super heroes are called to the Metropolitan Museum of Art, where a tome titled A Mdman's Mutterings has been stolen.

While the super heroes' investigation leads to confrontations with supernatural monsters, manifestations such as animated skeletons attack the city at night.

[1] The investigation leads to the underground lair of the Faces of Fear gang, where the super heroes find a hypnotizing machine used to control the supervillains, and face a boss fight with the lieutenant of the Big Boss.

[1] In 1984, TSR gained the license to produce a role-playing game based on characters from Marvel Comics.

Many supplements and adventures set in New York City were also published, including the Gang Wars Trilogy.