'How Do You Say 'Oh Sh-t' in Elvish'?: 'Lord of the Rings' TV Series Previews at Comic-Con

"It's the forging of the rings of power, the rise and fall of Sauron, the last glance of elves and men to come together," says 'Rings of Power' co-showrunner JD Payne at the 'LOTR' Comic-Con panel