Batman knew what it was like to trip balls without seriously losing his shit, and that savoir faire added another layer to his outlaw sexiness and al… - Grant Morrison

The 'Planet X' story was partially intended as a comment on the exhausted, circular nature of the X-Men's ever-popular battle with Magneto and by extension, the equally cyclical nature of superhero franchise re-inventions. I ended the book exactly where I came on board, with Logan killing Magneto AGAIN, as he had done at the end of Scott Lobdell's run. Evil never dies in comic book universes. It just keeps coming back. Imagine Hitler back for the hundredth time to menace mankind. (2004) Popimage interview

Then I reminded myself that all intelligent children suffer bad dreams.

But a far more virulent strain survived. It's having sex with your thoughts. You'll give birth to increasingly more monstrous ideas.