From GameWatcher: “Riot Games has revealed its plans for League of Legends’ upcoming champions in the September 2020 roadmap while also providing an update on the awaited Dr. Mundo rework.
The studio aims to continue along the path of releasing six new additions to its roster per year. Both a mid-lane mage and a support champion are in store for the remainder of 2020.”
Source: N4G PC League of Legends September 2020 Roadmap Teases Upcoming Champions, Mundo Rework