Marvel fans and movie enthusiasts worldwide are mourning the sudden death of Hollywood star Chadwick Boseman. The 43-year-old actor, best known for his portrayal of T'Challa — the king and protector of the fictional African nation of Wakanda in Black Panther — passed away on August 28, 2020, after a four year battle with colon cancer. The news came as a shock to most people since the intensely private Boseman, who was diagnosed at stage 3 cancer in 2016 — the year King T'Challa debuted in Captain America: Civil War — never spoke publicly about his illness.