Why isn’t Luke Cage there?
because he has a soft personality core and is too clean cut. although he had one of the best shows.
that is why the actor has been chosen a lot to play sympathetic characters.
the boxer in million dollar baby.
the helpful soldier in MiB III.
he is missing an element roughness. yeah it's marvel but even given that he has a soft core.
if he were a gringo he'd be fighting with brad pitt for nice-guy roles.
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cable (despite good acting) doesn't have the size and physicality which is why he is on III.
saying that, a few on the list are victims of how they were written and/or not having screentime to fairly judge.
on that basis baron-cohe/mephisto could go higher (or lower) depending on how he does in further appearances.