Check out new character posters and a featurette marking the one-month countdown until Marvel Studios’ “Black Panther: Wakanda Forever” debuts in theaters nationwide. Check out the posters featuring Letitia Wright (Shuri), Lupita Nyong’o (Nakia), Danai Gurira (Okoye), Winston Duke (M’Baku), Florence Kasumba (Ayo), Dominique Thorne (Riri Williams), Michaela Coel (Aneka), Mabel Cadena (Namora), Alex Livinalli …