That's exactly what "Guardians of the Galaxy Vol. 2" did for the opening scene in which the younger version of Kurt Russell's character — the oh-so-humbly named living planet and ancient ...

Did you know Miley Cyrus was in Guardians of the Galaxy Vol. 2? Director James Gunn brought in a few big stars — including Cyrus — for a scene filled with starry cameos in the sequel.

Don't expect that to be the only end-credits scene for "Guardians of the Galaxy." We wouldn't be surprised if there's also a mid-credits sequence hinting at the future of the Marvel universe as well.