The one that took a leaf out of Pixar's playbook. When Pixar animator/director John Lasseter became the Chief Creative Officer of Walt Disney Animation Studios in 2006, he went searching for new projects to push the studio into new territory outside their traditional princess fairy tale fare. In his hunt for something unlike anything Disney had previously produced, he stumbled across a promising project that had been stuck in development hell for over 15 years. In the late 1980s, Disney began developing an animated action-adventure set inside the chaotic world...