Watchmen

A complex, multi-layered mystery adventure, the film is set in an alternate 1985 America in which costumed superheroes are part of the fabric of everyday society, and the “Doomsday Clock” – which charts the USA’s tension with the Soviet Union – is permanently set at five minutes to midnight. When one of his former colleagues is murdered, the washed-up but no less determined masked vigilante Rorschach sets out to uncover a plot to kill and discredit all past and present superheroes. As he reconnects with his former crime-fighting legion – a ragtag group of retired superheroes, only one of whom has true powers – Rorschach glimpses a wide-ranging and disturbing conspiracy with links to their shared past and catastrophic consequences for the future. Their mission is to watch over humanity…but who is watching the Watchmen? (Source)

When one of his former colleagues is murdered, the washed-up but determined masked vigilante Rorschach sets out to uncover a plot to kill and discredit all past and present superheroes. (Source)

300's Zack Snyder brings Alan Moore and Dave Gibbons' critically acclaimed comic book Watchmen to the big screen, courtesy of DC Comics and Warner Bros. Pictures. Set in an alternate universe circa 1985, the film's world is a highly unstable one where a nuclear war is imminent between America and Russia. Superheroes have long been made to hang up their tights thanks to the government-sponsored Keene Act, but that all changes with the death of The Comedian (Jeffrey Dean Morgan), a robust ex-hero commando whose mysterious free fall out a window perks the interest of one of the country's last remaining vigilantes, Rorschach (Jackie Earle Haley). His investigation leads him to caution many of his other former costumed colleagues, including Dr. Manhattan, Night Owl (Patrick Wilson), Ozymandias (Matthew Goode), Sally Jupiter (Carla Gugino), and her daughter, The Silk Spectre (Malin Akerman). Heralded for bringing the world of superheroes into the literary world, Watchmen gave the super-powered mythos a real-life grounding that had been missing in mainstream comics to that point. The film adaptation had languished in one form of development hell or another for years after the book's release, with various directors on and off the project, including Terry Gilliam, David Hayter, and Darren Aronofsky, as well as Paul Greengrass, whose eventual dismissal stemmed from budget conflicts with the studio. - Jeremy Wheeler, All Movie Guide (Source)