Fans going to the theater this week may be wondering if there is a Mission: Impossible 7 post-credits or end-credit…

Source: https://www.comingsoon.net/guides/news/1305091-mission-impossible-7-dead-reckoning-ending-explained-key

There is always the possibility that a little bit of him was able to escape or was left somewhere, which may be able to allow him to grow and expand like the end-credit scene of Spider-Man: No Way Home implied.

Source: https://gamerant.com/spider-man-2-half-sequel-venom-game-prequel-symbiote-survive-good-why/

While Dead Reckoning Part One is an overly long experience, even as the first part of a larger story, it plays in a fulfilling manner, so the lack of an end-credit scene does not feel like a cheat or necessary when it comes to the case of the film.

Source: https://collider.com/does-mission-impossible-dead-reckoning-part-1-have-end-credits-scene-post-after/