he's also still very much the Magneto we know
Well, yes. Cape. But he's come so far! Far enough to be profoundly embarrassed about young!him. Except: "but I was really hot, Charles. Really really hot." "Yes, Erik. I know. We all know."

Okay, I'm going to need a single&pregnant spy!Mystique fic. It'll be heartbreaking. But it's now necessary. (Baby!Kurt! Man, I wish Alan Cumming could've had his tail twisted to show up in the epilogue. Even in mostly human form!)