Boseman, who appeared in the MCU as Black Panther, was diagnosed with colon cancer in 2014, but decided not to make the news public.
He died in Los Angeles on Friday (28 August) surrounded by his friends and family.
After the news was made public via a statement on his Twitter page, many of his fellow actors and co-stars paid tribute to the star, who was 43.
Hulk actor Mark Ruffalo, who co-starred with Boseman in MCU films, including Avengers: Endgame, wrote: “All I have to say is the tragedies amassing this year have only been made more profound by the loss of #ChadwickBoseman.
He added: “What a man, and what an immense talent. Brother, you were one of the all time greats and your greatness was only beginning. Lord love ya. Rest in power, King.”
Chris Hemsworth, who plays Thor, wrote: “Absolutely heartbreaking. One of the kindest most genuine people I’ve met.”
Brie Larson (Captain Marvel) posted a photo of her alongside Boseman, writing: “Chadwick was someone who radiated power and peace. Who stood for so much more than himself,”
Marvel Studios president Kevin Feige called Boseman’s death “absolutely devastating” in a touching statement about the actor’s on-set presence.
“Each time he stepped on set, he radiated charisma and joy, and each time he appeared on screen, he created something truly indelible,” Feige wrote, adding: “He was as smart and kind and powerful and strong as any person he portrayed – now he takes his place alongside them as an icon for the ages. The Marvel Studios family deeply mourns his loss, and we are grieving tonight with his family.”
Don Cheadle wrote: “I will miss you, birthday brother. you were always light and love to me. my god.”
Join our new commenting forum
Join thought-provoking conversations, follow other Independent readers and see their replies