A video post on the official Diablo Twitter account reveals that Blizzard has multiple Diablo projects in the works, one of which is planned to be revealed this year.
Stay awhile and listen – we have exciting updates to share about the future of Diablo. pic.twitter.com/J7S3HHcWQC
— Diablo (@Diablo) August 8, 2018
Whatever the project may be, expect it to be front and center at BlizzCon this year as a major reveal.