If you find yourself dealing with an unexpected backstory, and a preponderance of exposition, then you are dealing with the concluding chapter of a trilogy. True trilogies are all about going back ...
it's dumb that everyones going for trilogies. why not just keep making good movies!? make 5 good x-men movies. let the stories breaatthhe.
Before you suggest making 5 movies on the same storyline, may I point out Episode 2 for you?
star trek is a pretty cool. they're releasing franchise-wide collections of themed episodes. the time travel one floats my boat. it certainly is hard to keep a good franchise going, i'll agree. BUT it can be done. FIRST: get people who LOVE the material. SECOND: don't rush it. THIRD: don't reinvent the franchise over and over. BUILD! X-men is such a rich, rich, rich franchise with so many stories and characters and it APPEARS they're messin' it up. i'm hoping i'm wrong.
It appears that you are right. The movie looks awesome, don't get me wrong, but there was just sooooo much more stuff they could of done. There are hundreds of story lines that could have been worked with. X-men could have had a lot more good movies.