Comicbook.com reports that actor Yahya Abdul-Mateen II has landed a series regular role in HBO's upcoming TV adaptation of 'Watchmen'. The actor can also be seen as the villain Black Manta in DC's upcoming superhero movie 'Aquaman', which hits theatres in December. The 'Watchmen' series from Damon Lindelof, is said to be loosely based on the famous graphic novel from Alan Moore and Dave Gibbons.