sentences: ", appeared in "Superman" #420 (June 1986) and he was one of the contributors to the "DC Challenge" limited series in that same year.Maggin served as an editor for DC from 1989 to 1991 and oversaw the licensed TSR titles "Advanced Dungeons and Dragons", "Avatar", "Dragonlance", "Forgotten Realms", "Gammarauders", and "Spelljammer".