Re: X-Men: Part 6 should be set...
Well, assuming they only have Fassbender and McAvoy Co for only one more film under contract, then they can have FC3 set up the final part of the new prequel then "Star Wars" it to a Star Wars 7 kinda.
New/Older Xavier and Magneto working under a new timeline, which completes the reboot, cause of the DOFP changes.
Make America Great Again is to 2016
The South Shall Rise Again was to 1868