Contraction for Retroactive Continuity
This page is the CodyCross answer for the clue below from Comics, Group 1073, Puzzle 1 (Signed Copy).
Question is: Contraction for Retroactive Continuity
and the answer is: RETCON
Word Meaning:
RETCON — A fictional setting in which a new storyline explains or changes a previous event or attaches a new significance to it.
Definitions from Wiktionary.