Most jumping animals - such as frogs and grasshoppers - have some powerful adaptations that basically make their legs into giant springs. But our ape cousins manage to leap insane distances through sheer force of will, without any helpful adaptations.
The biggest superhero cliche is the origin-story. Watchmen flouts that convention, by starting in the middle, then provides the origin-story of an alternate world. We asked Zack Snyder and Dave Gibbons about world-building via superhero origins.
The horrific visions that open the final chapter of Alan Moore's Watchmen haunt you long afterwards. But Zack Snyder's movie tones down that imagery, and screenwriter David Hayter says it's because of 9/11. Spoilers below.