You are right, my comment was a little hasty (I should have said "more" not "only"). I don't deny that there are many hints that in Civ6 we will see more than one leader per civ for several or all civs and that they have planned this feature all along. But having only one civ (Greece) with two leaders in the initial base game just to "test" whether that is well received by the community doesn't seem very plausible (see TheMarshmallowBear's comment above) since as you mentioned they have "tested" that already in CivIV. So, it is more plausible that they have created a scenario that comes with the initial game and therefore have introduced the second leader for Greece already.No, that is not the "only plausible explanation". I'm not discounting the idea of an Ancient Greece scenario, of course. But Civ IV had multiple leaders for some civs, and there have been plenty of hints that they were restoring the feature for Civ VI (leader bonuses listed separately from civ bonuses, the Civilopedia entry stating the Rough Rider is a unique unit for America when led by Theodore Roosevelt, and so on). It is perfectly plausible that their intention all along was to eventually introduce multiple leaders for various civs, and Greece just happens to be the civ that's debuting the feature. They don't have to make scenarios to justify it.