According to a tweet (via PCGamesN), an Age of Empires announcement is set to arrive on Monday August 19 during Gamescom.
?? Monday, August 19th @ 17:00 CEST / 8 a.m. PT please tune in to https://t.co/G6yvSD6ixu for some exciting #AgeofEmpires news! More details about us at #Gamescom2019 are here: https://t.co/tTloIsTQBR Stay tuned with us on social media as well, much more to come! See you Monday! pic.twitter.com/Xn0swRBv3c
— AgeOfEmpires (@AgeOfEmpires) August 16, 2019
While it’s uncertain which specific game that tweet refers to, we do know that there are two Age of Empire games in development: Age of Empires 2 Definitive Edition due this fall, and Age of Empires 4. We don’t know much about Age of Empires 4 apart from the one trailer we’ve seen thus far.