DC Films’ latest release into the endless superhero pantheon, “Black Adam,” has a lot riding on Dwayne Johnson’s muscled shoulders. Black Adam, one of the regularly scheduled villains in the comic book, was supposed to be his main antagonist. And while “Black Panther” did a great job of making its bad guy both a certifiable badass and a nuanced character, “Black Adam” fails miserably. “Black Adam” has an interesting inkling of an idea: an oppressed culture that needs to overthrow the invading white men. But the midcredit sequence in “Black Adam” unfortunately suggests studio leaders are committed to making the same mistakes all over again.

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