If I have my facts straight, he was cast in 2014 just before he was diagnosed and then filmed all the movies while undergoing treatment. Actors have to undergo physicals for movies in order to get insurance and protect their investment. I mean outside of actual insurance/physicals, isn't it probably very much a contractual obligation to inform the studio in such circumstances to have a chance to cancel/recast if it's too big a risk?
He was signed as Black Panther for a five-movie contract in 2014, which was before his cancer diagnosis two years later. He had one movie left on his contract which was Black Panther II. I'm pretty sure Disney and Marvel have to had known about his declining health as early as late 2019.
That said, the sequel was speculated to take the February 2021 release date, but it was officially announced it would be released in May 2022. I'm not certain Boseman's health caused any delay, but I thought Ryan Coogler needed more time to create a compelling story.
It kind of makes sense now considering that Marvel was cagey about why the next BP was still in pre-production and when the next installment would be released.
You know what, after reading about how actors are usually insured before filming, they had to have known before Black Panther was about to be filmed that he had cancer. So, they worked around his schedule to ensure he completed filming his scenes and got chemo therapy to treat his cancer.
I doubt the studio would know for Civil War.. as for BP/IW/EG I guess they must've known .. and when they found out I guess everyone would've just been assuming a positive outcome..
What if Chadwick Boseman had gotten too sick to work in the middle of the very high budget MCU movies? Wouldn't the studio lose millions having to recast and reshoot his part?
It does happen. In his final film Raul Julia did not reveal his illness and the studio didn't have insurance on him. It cost them millions when he died. Don't quote me on this but I believe the project was shelved. I'm sure studios are more careful now