I love this concept. Happy Girl did one called Foreshadowing , which I really enjoyed.

Someone else did one on the message boards, years ago, but it never got finished. I liked the bit where Lois tells Tempus he can't kill Clark yet, because it's before Nightfall was destroyed. Tempus doesn't really remember his Kent History that well, but he thinks that she might be right. Curses, foiled again! That one was fun. If I remember the title I'll post it.

[edit: Found it! The illustrated Table of Contents is here: Begin the Begin ]

PJ

"You told me you weren't like other men," she said, shaking her head at him when the storm of laughter had passed.
He grinned at her - a goofy, Clark Kent kind of a grin. "I have a gift for understatement."
"You can say that again," she told him.
"I have a...."
"Oh, shut up."

--Stardust, Caroline K