"Flashback scenes" refer to moments in a story or film where the events or memories from the past are shown. It's a way to take the audience back in time and provide important background information for the current storyline. Full definition
Man Of Steel skips ahead, doling out in flashback scenes of Kal's upbringing in Kansas, where he's rechristened Clark by his adoptive parents Jonathan (Kevin Costner) and Martha Kent (Diane Lane). (thedissolve.com)
More of a courtroom drama than a scare -»em - silly outing (although there are plenty of flashback scenes depicting demonic possession), this film portrays Father Moore (Tom Wilkinson) attempting to defend his Exorcism of Emily Rose that resulted in the collage student's death. (parentpreviews.com)
Not only did they find a way to include Peggy in both Captain America sequels — albeit the latest saw her character's funeral — but they managed to bring her back for a cameo in Avengers: Age of Ultron as well as the opening flashback scene for Ant - Man. (cbr.com)