If that would be a post-credit scene and not an opening one, it could be the [very ending][1] of a movie [Battleship (2012)][2]. [Article + screenshot][3] [1]: https://www.youtube.com/watch?v=JWTxn077nOU [2]: https://www.imdb.com/title/tt1440129/ [3]: https://screenrant.com/battleship-credits-scene-explained/#:~:text=Battleship's%20post%2Dcredits%20scene%20unfolds,them%20fleeing%20away%20in%20fear.