Prisión Fatal (2012) was a professional wrestling major event, produced by the Mexico based International Wrestling Revolution Group (IWRG) professional wrestling promotion. The event took place on November 1, 2012, at "Arena Naucalpan" in Naucalpan, State of Mexico, IWRG's main venue. The main event was the eponymous Prisión Fatal (Spanish for "Fatal Prison") Steel cage match where the last person remaining in the cage was forced to unmasked per the match stipulation. The Prisión Fatal match included El Hijo de Pirata Morgan, El Hijo de Máscara Año 2000, Oficial 911 and Factor. The show also celebrated the 50th Anniversary of Lucha Libre in Estado de México