The Mandalorian Season 3 Just Casually Teased Emperor Palpatine's Resurrection
Chapter 23 of The Mandalorian also introduced us to one of the founders of the First Order.
Moff Gideon Brian Gleeson Moff Gideon Giancarlo Esposito Xander Berkeley Domhnall Gleeson Gilad Pellaeon
Source: gamespot.com