Originally Posted by
lurkerforyears
My biggest fear is what Jalrisx mentioned above
That Xavier came back to life by doing evil immoral things, he used the reality warping of Proteus that Shadow King was exploiting, to warp the body of Fantomex (killing Fantomex and EVA), being responsible for Proteus being unleashed on London, and indirectly responsible for the civilians killed the actions of Proteus.
It would mean Charles is still the same shady bastard he was shown to be in the 2000s, not an heroic return.