Watchmen is a film set in the future.
" The title of the series refers to the question "Who will watch the watchmen themselves?", famously posed by the Roman satirist Juvenal (as "Quis custodiet ipsos custodes?"), although Moore was not aware of the phrase's classical origins until Harlan Ellison informed him
Len Wein, the comic's editor, wrote a video game prequel entitled Watchmen: The End Is Nigh

