During the end of Avengers: Endgame it was revealed that Thor had joined the Guardians of the Galaxy on future adventures after defeating 2014 Thanos. Many thought this would mean that Thor would become an ‘Asgardian of the Galaxy’ in Guardians 3. However, today while speaking with Comicbook.com to promote Bloodshot star Vin Diesel revealed that the Guardians of the Galaxy will actually make an appearance in Thor: Love and Thunder:
Taika Waititi is going to use the Guardians of the Galaxy in Thor 4.
— BD (@BrandonDavisBD) March 9, 2020