? The task of creating Krypton, a planet on the eve of collapse, proved too complex for computers, so designers combined digital with classical methodology.
? Locations included the glaciers of British Colombia, the waters of Vancouver and California's Mojave Desert.
? The overpass scene was shot near Chicago and involved 40,000 cars a day being rerouted during filming.
? Over several months, dozens of versions of the iconic suit were drawn, with the infamous red shorts getting progressively smaller until one day, they were scrapped altogether.
? Although fitness trainer Mark Twight had already worked with Zack Snyder on 300, he says the idea of making someone look like Superman "scared the living daylights out of me".
? Man Of Steel is released in cinemas today