10 Characters Who Should Appear In Guardians Of The Galaxy Vol. 3
9. Eternity
It's pretty much the law of sequels that they have to be bigger than the films that came before them, and you can't get much bigger than the entire universe itself.
Eternity is one of the most powerful beings in the Marvel Universe, the physical representation of all of creation and the leader of all the other cosmic beings. Despite that, he's also seemingly always in need of help from superheroes, often recruiting them to help him deal with intergalactic threats like Thanos.
Eternity is obviously a pretty trippy concept and even his design is pretty out there, a humanoid figure filled with stars, planets and all manner of cosmic phenomenon. However, it was those kind of psychedelic visuals that made Doctor Strange such a great film and so it would be great to see them in Guardians of the Galaxy as well.
Eternity actually appearing on screen might seem like a bit of a long shot, but he was actually name-dropped in Vol. 2 by Star-Lord, suggesting that he might have a role to play in future films. Most likely he'll appear in Infinity War or its sequel (as he played a large role in the original comic), but he could easily stick around for future Guardians' films.