A watan Fabrairun 2007, Whedon ya bar aikin saboda bambancin rubutun da studio.
Tabbas, mafi rikitarwa na jumla shine "A watan Fabrairun 2007, Whedon ya bar aikin saboda bambance-bambance na rubutun tare da ɗakin studio, kuma darektan ya sake maimaitawa, 'Ban taɓa samun 'yar wasan kwaikwayo da aka zaɓa ba, ko ma mai ci gaba (sic) gaba - mai gudu. "