You won't here this officially and publicly until SDCC and it may change a tad bit by then particularly if there's a 3rd MCU Spider-Man Film as Marvel Studios & SONY have a meeting to discuss the future of Spider-Man in the MCU on July 9th but, for now, here's what's Phase 4 of the MCU in Film looks like at the moment.

Officially happening:
2020:
May 1st: Black Widow
November 6th: Eternals
2021:
February 12th: Shang-Chi
May 7th: Guardians of the Guardians Vol.3
November 5th: Doctor Strange: Sorcerer Supreme
2022:
February 18th: Black Panther: Allied
May 7th: Captain Marvel: Higher, Further, Faster
July 22nd: Ant-Man, the Wasp & the Stinger
2023:
April 28th: Avengers: Secret Wars
August 4th: Power Pack

Films being highly considered:
a 3rd Spider-Man Film
Incredible Hulk Sequel
Namor the Sub-Mariner
Nova
Howard the Duck
Moon Knight

the release dates may change depending on whether or not any of the highly considered Films happen.