Originally Posted by S. Grundy
If you're talking continuity in the film, like how Xavier and Magneto met in First Class as opposed to what was said in X-Men or all the other little things in First Class. Then yeah, continuity like that falls on the director/writers/producers.
Correct. Fox hired them so its ultimately Fox's fault for not just the X continuity issues but the mucking up of these CBM period (outside of 3 movies)