They didn't die. They were... [He struggles for a moment, brows furrowing as he tries to sort out what he knows. Vision's memory should be accurate - his past self had been there, after all - but his own memories aren't so great. The basic gist of it is embedded, though, it's just a matter of saying it.
It still sounds crazy, but...]
They didn't die, but they weren't... really real, either. They were lost souls that she'd unconsciously found and transformed into her children. Pandemonium stole them, though... for the demon Mephisto. They were fragments of his soul. Something about the whole process and the Scarlet Witch's magic destroyed him, and both the souls and her memory of the kids were gone. That's what... made her go crazy.
[Wince. The whole disassembling process is a sensitive subject for most of the supers, he knows, though he doesn't know whether or not the Fantastic Four were involved at all.]
[action]
It still sounds crazy, but...]
They didn't die, but they weren't... really real, either. They were lost souls that she'd unconsciously found and transformed into her children. Pandemonium stole them, though... for the demon Mephisto. They were fragments of his soul. Something about the whole process and the Scarlet Witch's magic destroyed him, and both the souls and her memory of the kids were gone. That's what... made her go crazy.
[Wince. The whole disassembling process is a sensitive subject for most of the supers, he knows, though he doesn't know whether or not the Fantastic Four were involved at all.]