LOL, ML.
It really depends on the story. I usually prefer the canon of "our" L&C and their sexual histories, or lack thereof. I'd understand if Alt-Clark had sex with Lana, though EW. When we get into Elseworlds, though, you really have to sell me on the story.
"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
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