Board Thread:Supergirl discussions/@comment-9346948-20181212011845/@comment-27700324-20181218130939

Seems so. Plus it isn't like they didn't do the Crisis imagery for Kara and Barry's death anyway. They had the scene with Superman holding Supergirl in the second episode of Season 2. With Barry, they had him creating a remnant that sacrificed himself to save the multiverse.