Originally Posted by xDOFPx
They can't give essentially six characters 1.5 hrs of the movies and relegate the vast future cast to like two minutes screen time each. It doesn't work if it's too much past and not enough future. If is turns out that way it will be disappointing as I think it will take away from what the movie should have been. The future scenes are essential to bring the tone and real excitement.
See: every incarnation of Days of Future Past that has ever been done since it's original inception.