All three titles will be available on Xbox One, Xbox Series X/S, and PC. Persona 5 Royal will be the first to launch on October 21st.
Azure Specialist Paul T. recently posted on LinkedIn about appearances from these four Xbox-exclusive titles at today's showcase.
Various reports and leaks point towards Persona 3, Persona 4 Golden and Persona 5 Royal being at the Xbox and Bethesda Games Showcase today.
Redfall, the apparent absence of Avowed, and an appearance by Hideo Kojima are also seemingly planned as per insider Tom Henderson.
Though the exact line-up is unknown, Xbox Game Studios will be showcasing its upcoming catalogue of releases tomorrow at 10 AM PT.
