On the one hand, I want them to differentiate themselves from the Fox universe. On the other hand, being too different from what were really fundamentals of the X-Men can turn out really badly. On a small scale certain characters can be used in association with established MCU characters, like pairing Magik with Dr. Strange. But on a larger scale I just don't know. I don't want to see the O5 again, as they are incredibly boring characters 99% of the time. Wolverine Magneto are better characters but have been overused and need a break. Xavier could also use a break, but the X-Men don't work without him around in some capacity in their first big movie.