Chadwick Boseman, the famed actor who portrayed T'Challa in Marvel's Black Panther as well as Captain America: Civil War, Avengers: Infinity War and Avengers: Endgame, has died at the age of 43.The news was announced on Boseman's official Twitter, stating, "It is with immeasurable grief that we confirm the passing of Chadwick Boseman."

Boseman had been battling colon cancer since 2016, and it had progressed from stage III at the time of diagnosis to stage IV. He continued to appear in many films while undergoing surgeries and chemotherapy procedures at the same time.

According to the Twitter post, he died at home with his wife and family present. The announcement goes on to thank fans for their love and prayers and to ask them to respect the family's need for privacy.

Boseman's most recent film appearance was in Spike Lee's Netflix film Da 5 Bloods, in which he played "Stormin' Norman," a U.S. freedom fighter in the Vietnam War. He is also known for 21 Bridges, Marshall, Gods of Egypt and Get On Up.

Black Panther was a pivotal film in the Marvel Cinematic Universe, as it was the first to feature a Black superhero lead. The movie, directed by Ryan Coogler, won three Oscars and was a resounding critical and commercial success. The announcement of Boseman's death noted, "It was the honor of his career to bring King T'Challa to life in Black Panther."

Although Boseman did not speak publicly about his health, a difference in his appearance was noted by fans when he appeared in an Instagram video to talk about the coronavirus (COVID-19) pandemic.

Boseman had been planning for future roles, including Yasuke, the story of an African samurai, which was in pre-production. He had also intended to reprise the role of T'Challa in future sequels of Black Panther and in Marvel's What If...? Disney+ animated series.

CBR sends our deepest condolences to the Boseman Family during this difficult time.