WELCOME HEROES   EXPOSITION ALERT: (Just a quick summary of how we got to where we are) Overwatch is set sixty years into the future of a fictionalized Earth, thirty years after the resolution of the "Omnic Crisis". Prior to the Omnic Crisis, humanity had been in a golden age of prosperity and technology development. Humans developed robots with artificial intelligence called "Omnics", which were produced worldwide in automated "omnium" facilities and put to use to achieve economi