Yay, I was right! *pets her pair of ducks* .. What?

I think our L&C had been in L&K's world longer than two days, so going back two days, or soon after the jumped to the past, wouldn't affect the universe at all.

Of course, at the end of this part, my mind went "Hoping that their next leap would be the leap home." Wrong series. laugh

By the way, I think that's the most convoluted explanation of the split-universe theory. Only Klein...

"You need me. You wouldn't be much of a hero without a villain. And you do love being the hero, don't you. The cheering children, the swooning women, you love it so much, it's made you my most reliable accomplice." -- Lex Luthor to Superman, Question Authority, Justice League Unlimited