Originally Posted by marvelrobbins
It was same thing with first X-Men.They had to finish all scenes Involving Ian by December
of 1999(they started filming In September) so he could go home to London for christmas
before starting The Lord of the Rings In January 2000.For X2 they rearranged the schedule
to film all his scenes In 2 weeks.
And they used a double for some of the scenes in Magneto;s machine at the end of X1. It was fine until they showed the double's face when he was lying on the ground after Cyclops fired at him; it was obviously not McKellen in that scene.