A major question left hanging at the end of Guardians of the Galaxy Vol. 3 was what happened to the High Evolutionary. Rocket Raccoon didn't kill him, but many wondered if he died in his ship's explosion. Surprisingly, his fate has been confirmed outside the film, with a deleted scene showing he survived.
Source:https://www.cbr.com/guardians-of-the-galaxy-3-high-evolutionary-fate/