Out of the blue: James Cameron’s surprise departure would be good for Avatar

The director has yet again hinted that he may step away – but if he does actually relinquish control, would it benefit the franchise or would be it be ‘hasta la vista’, Terminator 6 style? After directing the highest-grossing film trilogy of all time, and having spent more than two decades bending technology, studio executives and several hundred million dollars’ worth of underwater motion capture to his will, James Cameron this week signalled that he may be ready to hand the future of the…