The cast and director of the upcoming sequel to Marvel Studios blockbuster 'Black Panther' paid tribute to their late co-star Chadwick Boseman on Saturday and said they worked through their grief while making the new film. Lupita Nyong'o, Letitia Wright, and other stars appeared at the Comic-Con pop culture convention in San Diego to preview 'Black Panther: Wakanda Forever', which is slated to hit theaters in November.

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