The film that features Chadwick Bosman in the titular role has been lauded by the critics and has already taken a massive earning at the box office during its opening weekend.
The letter was shared by Marvel Studios on Twitter with a hashtag 'WakandaForever', a popular phrase from the film.
"I am struggling to find the words to express my gratitude at this moment, but I will try. Filmmaking is a team sport. And our team was made up (of) amazing people from all over the world who believed in this story. Deep down we all hoped that people would come to see a film about a fictional country on the continent of Africa, made up of a cast of people of African descent," Coogler said.
He also showered appreciation to people who supported the film on social media through their posts and also to media for the wonderful reviews.
"Black Panther" is the first Marvel film to be led by a person of colour and featuring a virtually all-black cast with Michael B Jordan, Lupita Nyong'o, Danai Gurira, Andy Serkis, Martin Freeman among others.
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