flash-forward

[flash-fawr-werd]
noun
  1. a device in the narrative of a motion picture, novel, etc., by which a future event or scene is inserted into the chronological structure of the work.
  2. an event or scene so inserted.

Origin of flash-forward

1945–50; flash + forward, on the model of flashback
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018