"...Creator," he corrected, making a face, "It's really hard to explain. She and the Vision wanted kids, and so she made...William and Thomas. But then it turned out that she'd created them from two shards of Mephisto's soul, and he reabsorbed them. She'd put so magic magic into them though, that they destroyed him, and we...reborn or...something, as me and Tommy. And then the Scarlet Witch went kind of crazy..."