You can also discuss that 1st update about Ruined King: A League of Legends Story on the forum of JoeMadArt.com.
On their side Joe Madureira and Airship Syndicate were still very quiet about their next games and in particular about the last one announced in December 2019: the Ruined King: A League of Legends Story. Who knows, maybe something new will be revealed during the Gamescom 2020 this week?