#OnThisDay in 1956 #KillerShark debuted in #Blackhawk #comics #108 #their1stIssue @DCOfficial #LandSeaAndAirPirate who bedeviled #TheSquadron back in #QualityComics & #ultimatelyTheCauseOfTheTeamDisbanding via #QueenKillerShark #LadyBlackhawk who he #temporarilyDruggedIntoVillainy #toSabotageTheTeam