More details about those flops.
Most of those mcu marvel movies made thier money back in other ways and while most were flops none of them were bombs like the marvels, most of the dceu movies and joker 2 for example.
The only two mcu movies we are not sure made thier money back so far or have not made thier money back yet is captain america brave new world and thunderbolts and they just came out this year but they will make thier money back varied ways.
The flops the mcu had is incredible hulk box office in phase 1,eternals in phase 4 and ant-man 3 and the marvels in phase 5.
Eternals came out during covid and not playing in china.
Black widow flopped on the big screen and it came out when covid was happening and not shown in china as well but made up for it on disney plus so the movie overall not really a flop.
Ant-man 3 made it's money back and the marvels and eternals was watch alot on disney plus.
The mcu made it's money back for the marvels last year.
The marvels came out doing a strike by the way so they could not do more marketing before the movie came out.
Some info on black widow to make it clear what happen.
Answering Once and For All If ‘Black Widow’ Was a Hit or a Flop
Was Marvel's 'Black Widow' was a home run or a strike out? We dug through the numbers.
Scarlett Johansson’s ‘Black Widow’ is at the center of Hollywood’s biggest business debate. But was the Marvel blockbuster a success?
observer.com
Is black widow really a flop?
Did black widow make a profit streaming, merchandising and vod?
It would seem that 'Black Widow' earned almost as much via theaters and PVOD as it might have been expected to earn just in theaters.
www.forbes.com
bepositive99 quote-
Ant-Man And The Wasp: Quantumania Made A Profit Despite Box Office Failures According To New Report
Ant-Man and the Wasp: Quantumania is divisive.
screenrant.com