Ravencroft

Ravencroft Institute
First appearanceWeb of Spider-Man Annual #10 (1994)
Created byJ. M. DeMatteis
Sal Buscema
In-universe information
TypePrison
LocationsWestchester County, New York
Marvel Comics

The Ravencroft Institute is a fictional maximum security prison for the criminally insane appearing in comic books published by Marvel Comics. The place later grew to one of the leading maximum-security facilities in the country specializing in the treatment of superhuman criminals.