https://www.thedigitalfix.com/marvel-cinematic-universe/not-on-earth-616
It still can get a little confusing.
https://www.inverse.com/entertainment/marvel-earth-616-earth-838-doctor-strange-2
https://www.gamesradar.com/marvel-multiverse-earth-616-mcu/
https://screenrant.com/marvel-mcu-earth-616-universe-confirmed/