Blizzard sent out the following

 

We’re celebrating four years of Overwatch in 2020, and there’s never been a better time to group up with your friends. In this year’s Anniversary event, all previous seasonal event brawls will be returning and all seasonal cosmetics will be unlocked! Now through June 9, players can login to Overwatch on PC, PS4, Xbox One, and Nintendo Switch to celebrate Overwatch Anniversary 2020.

WEEKLY CHALLENGES

  • Weekly Challenges are available for Overwatch Anniversary, allowing you to unlock limited-time rewards by winning nine games.
  • Rewards include an array of player icons, sprays, and Epic skins!
    • Week 1: Carbon Fiber Sigma (Epic)
    • Week 2: Fleur de Lis Widowmaker (Epic)
    • Week 3: Masked Man McCree (Epic)

NEW COSMETICS

  • 5 Legendary Skins
    • Masquerade Reaper
    • Huitzilopochtli Zenyatta
    • Little Red Ashe
    • Submarine Wrecking Ball
    • Dragoon Mercy
  • 3 Epic Skins
  • Player Icons, Emotes, Sprays
Will you be playing?