<p>Stephen Lang has explained that working with James Cameron on the Avatar franchise is a 'demanding' experience, but he gives his director as good as he gets.</p><p>The 70-year-old star returns to Pandora as evil military man Quaritch — despite the character's death first time around — in Avatar: The Way of Water.</p><p>Avatar: The Way of Water is in cinemas and IMAX from 16 December.</p>
