Lana Lang is back... at least for the upcoming episode of Smallville, "Bride." When Oliver goes to Cuba to find Lex, he apparently finds Lana and brings her back. Or so we're told.
Clark: Isn't it time we moved beyond these mental trials? Jor-El: Your determination is strong, Son, but just as your passion will be your greatest strength, so, too, will it be your greatest obstacle.