2020 is going to be a very busy year for the production of Phase 4. We know Shang-Chi and Doctor Strange will both begin filming very soon, and Spider-Man will film in the summer. Now we know when the last film of Phase 4 will begin.
Taika Waititi was being interviewed by Variety and he revealed they should begin filming Thor: Love and Thunder around August:
Last year it was confirmed that the fourth Thor movie will again film in Australia, where Shan-Chi will begin filming shortly.