MCU T'Challa wasn't a coward.
To use wrestling terminology, he was however a poorly booked face in his own movie but fortunately had so much good will from how strongly booked he was in Civil War.
Examples in BP1:
When isolated, most of these instances can be waived off as "plot-necessitites" or "strengthinng the supporting cast", but collectively you see the pattern and how it was a precursor of sorts to the issues ppl have had with Disney's depictions of straight males in their attempt to overcompensate for previous low/weak female represetnation.
To use wrestling terminology, he was however a poorly booked face in his own movie but fortunately had so much good will from how strongly booked he was in Civil War.
Examples in BP1:
the last hostage taker getting the drop on him in the opening scene bc he was too p*ssy whipped so Okoye had to save the day, M'Baku whooping his ass until his mom told him to man up, jumping recklessly in front of Klaw and only surviving bc Klaw was conveniently out of bullets but then getting blasted anyway while Okoye and Nakia leave him behind, Killmonger whoopin his ass without a clear moment of blatant interference to cause him to have the advantage (a contrast from the source material), and pretty much having Nakia be the one with agency who was the mvp of the film,
When isolated, most of these instances can be waived off as "plot-necessitites" or "strengthinng the supporting cast", but collectively you see the pattern and how it was a precursor of sorts to the issues ppl have had with Disney's depictions of straight males in their attempt to overcompensate for previous low/weak female represetnation.