For now, those involved with Guardians of the Galaxy Vol. 3, including Chris Pratt, are staying mum on if Thor will show up. Maybe there’ll be a way for him to cross paths with the Guardians again after the events of Thor: Love and Thunder, or maybe because of the way the cards played out, he’ll just have to be absent from Vol. 3. Either way, it’s already been confirmed that Love and Thunder will take place before Vol. 3.
Article source: https://www.cinemablend.com/news/2491404/james-gunn-just-shut-down-a-cute-guardians-of-the-galaxy-vol-3-rumor