During the PlayStation Showcase, Sony revealed various games coming to PlayStation 5 and PlayStation 4. Moments after the showcase ended, Xbox sent a reminder that many of the games shown would be coming there too.
On the official Xbox Twitter account, there's a post that reads "What a good looking group" with a picture of the following games: Immortals Of Aveum, Ghostrunner 2, Marathon, Metal Gear Solid, Dragon's Dogma 2, Alan Wake 2, The Plucky Squire, Teardown, Assassin's Creed Mirage...