#OnThisDay in 1977 #Multiplex debuted in @dc.com #FirestormTheNuclearMan #comics #1 #NuclearPhysicist #DantonBlack #nefariousAssistant to #DrMartinStein caught in #theSameExplosion that transformed #RonnieRaymond into #Firestorm & it altered him with #theAbilityToDuplicateClonesOfHimself