elling ▁( that ▁she ▁should ▁be ▁getting ▁hun gry ). ▁ ▁Ret cons ▁are ▁common ▁in ▁pul p ▁fiction , ▁and ▁especially ▁in ▁com ic ▁books ▁published ▁by ▁long - est ab lished ▁publish ers ▁such ▁as ▁DC ▁and ▁Marvel . ▁The ▁long ▁history ▁of ▁popular ▁titles ▁and ▁the ▁number ▁of ▁writers ▁who ▁contribute ▁stories ▁can ▁often ▁create ▁situations ▁that ▁demand ▁clar ification ▁or ▁revision . ▁Ret cons ▁also ▁often ▁appear ▁in ▁m anga , ▁soap ▁oper as , ▁serial ▁dram as , ▁movie ▁sequ els , ▁cart o ons , ▁professional ▁wrest ling ▁angles , ▁video ▁games , ▁radio ▁series , ▁and ▁other ▁forms ▁of ▁serial ▁fiction . ▁ ▁Et ym ology ▁Although ▁Jules ▁Ver ne ▁used ▁the ▁device ▁occasionally ▁( see ▁The ▁Myst er ious ▁Island ), ▁the ▁first ▁published ▁use ▁of ▁the ▁phrase ▁" ret ro active ▁continu ity " ▁is ▁found ▁in ▁the olog ian ▁E . ▁Frank ▁Tu pper ' s ▁ 1 9 7 3 ▁book ▁The ▁The ology ▁of ▁Wolf hart ▁P ann enberg : ▁" P ann enberg ' s ▁conception ▁of ▁retro active ▁continu ity ▁ultimately ▁means ▁that ▁history ▁flows ▁fund ament ally ▁from ▁the ▁future ▁into ▁the ▁past , ▁that ▁the ▁future ▁is ▁not ▁basically ▁a ▁product ▁of ▁the ▁past ." ▁ ▁The ▁first ▁known ▁printed ▁use ▁of ▁" ret ro active ▁continu ity " ▁referring ▁to ▁the ▁alter ing ▁of ▁history ▁in ▁a ▁fict ional ▁work ▁is ▁in ▁All - Star ▁Squadron ▁# 1 8 ▁( F ebru ary ▁ 1 9