What a fabulous premise for a story! It never occurred to me before to look at it that way, but you're absolutely right. Technically, if Clark really had been "fixed" by Superman, he'd be a clone.
I can't wait to see where you go with this!
Lois: You know, I have a funny feeling that you didn't tell me your biggest secret.
Clark: Well, just to put your little mind at ease, Lois, you're right. Ides of Metropolis