NAMOR THE SUBMARINER
Another longtime Marvel character yet to reach the big screen is Namor the Submariner, who could best be suited to join the Marvel Cinematic Universe in the Black Panther sequel.
T’Challa and Namor are both monarchs, and the pair have a storied history in the comics: they’ve come to blows more than once, as have their respective kingdoms of Wakanda and Atlantis.
Now that Wakanda is no longer hidden from the world, the sequel could see Wakanda and its people go to war with Namor and his undersea forces — possibly the only beings on Earth who could wage war with Wakanda and have a shot of winning.
Black Panther saw new king T’Challa struggle with challengers for the throne. Black Panther 2 pitting king T’Challa against another king, and a rival kingdom, could be a natural next step.