He was diagnosed with colon cancer in 2016; this means that he released 4 Marvel Cinematic Universe movies while going treatment for his illness and didn't tell anyone.Black Panther’ star Chadwick Boseman dies of cancer at 43
LOS ANGELES (AP) — Actor Chadwick Boseman, who played Black icons Jackie Robinson and James Brown with searing intensity before finding fame as the regal Black Panther in the Marvel cinematic universe, died Friday of cancer, his representative said. He was 43.
Boseman died at his home in the Los Angeles area with his wife and family by his side, his publicist Nicki Fioravante told The Associated Press.
Boseman was diagnosed with colon cancer four years ago, his family said in a statement.
2016 Captain America: Civil War
2018 Black Panther
2018 Avengers: Infinity War
2019 Avengers: Endgame
He released 5 other movies in this time and there is still one more movie that was in post-production before his passing.
Rest in Power.