Denzel Washington. The director said during the "7PM in Brooklyn" podcast (in the below video) that Washington will in fact be part of "Black Panther 3," should that movie ever happen. Washington previously let it slip in November 2024 that Coogler wrote a role for him;

In November 2024, the ‘Training Day’ star let slip that he and Coogler were in talks about the role When Ryan Coogler began thinking about the cast of Black Panther 3, top of his list was Denzel Washington.

Ryan Coogler confirms that he wrote a role for Denzel Washington in Black Panther 3. Find out what he said here.