She did not issue him an ultimatum. She said she was leaving the X-men and left it up to him if h wanted to stay. They dont need to be joined at the...
Magneto was probably worried about them, too. But you don't need to warn Storm about the dangers she's already aware of. He wanted Storm to keep her...
The Prime Sentinels are technically cyborgs, but yeah. And Spider-Man has the Living Brain and the Spider-Slayers as robotic enemies, if we can keep...