What is Geoffcon?
1.
A type of retcon (see retroactive continuity) originated by comic book writer Geoff Johns; generally one that renders entire volumes, years or even decades worth of prior comic book stories invalid. These geoffcons can be done without rhyme or reason, seemingly on a writer's whim or stemming from their personal preferences.
A geoffcon differs from your garden variety retcon in that there is little thought put behind your average geoffcon.
"Looks like fifteen years of Emerald Avenger comics just got geoffconned out."
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