Due to current world events, Marvel Studios' entire Phase 4 slate has been postponed. That's obviously disappointing, but a bigger issue than waiting a few extra months to see these movies is the fact that it will have obviously delayed the X-Men's planned arrival in the Marvel Cinematic Universe.
There's been no word on when and where that will happen (Eternals has been suggested as one strong possibility), but when mutants do become part of this shared world, it's no exaggeration to say that nothing will ever be the same again. The MCU will soon be unrecognisable, and the presence of these characters promises to be a game-changer for pretty much every major franchise.
A big part of that is the fact that there are some incredibly powerful mutants who will make many of the villains heroes like Captain America and Iron Man have faced in the past look like real lightweights. More powerful good guys will lead to the emergence of even more formidable baddies, and there are plenty of those in the world of the X-Men as well.
Here, you'll find not just the ten most powerful X-Men, but those who promises to have a lasting impact on the MCU and change these stories in ways "hitherto undreamt of" (to quote Doctor Strange).