Originally Posted by DrCosmic
Charles' accident wasn't rushed... it was just terribly convenient. It would have made for a brighter happier X-Men: DOFP... but I'm not sure that was the goal. It does seem incredibly short sighted to do a prequel and set things up perfectly for the original series and then later decide, oh, we want a prequel sequel.
There was no guarantee that it would be popular enough to get a sequel. Remember that the previous two films in the franchise were universally panned. First Class rescued the brand from the scrap heap.