#OnThisDay in 1961 #TheLegionOfSuperVillains debuted in #SupermanComics #147 with a #LegionOfSuperHeroes #1958DebutCoverHomage introducing #LightningLord #SaturnQueen #CosmicKing #adultDarkMirrorVersions of #The3OriginalLegionnaires theorized @dc.com #altEarthsTale that predates #FlashOfTwoWorlds