It was Mastermind, who told him about Pietro. That he'd been outside the house, tailing Magneto. Watching. Mastermind had offered to detain him, but Magneto had declined.

He wasn't sure what his son wanted. But a few days after Rogue left to return to X-Corp, he decided to find out.

He went over to the small cafe, and stood by his son. He was dressed simply, in a long wool jacket and a hat, distinctive features also obscured. People walked by, oblivious.

"Hello, son."