Warning: SPOILERS for Moon Knight episode 3
The Marvel Cinematic Universe's Joker was secretly introduced in Moon Knight episode 3 thanks to Anton Mogart. The MCU debut of Moon Knight has raised the profile of the fan-favorite comics character, and in doing so, the comparisons to Batman have become more prominent. Due to their similarities as non-powered humans who deliver justice through hand-to-hand combat, throwing weapons, and technology, Moon Knight has often been called Marvel's version of Batman. Based on that comparison, some of his villains have become Marvel's equivalents for famous Dark Knight foes.
For the most part, Moon Knight has attempted to show what makes Moon Knight different from Batman. Moon Knight's costume is the antithesis of Batman, as Marvel's hero wears white so his foes see him coming, while DC's superhero goes black to operate in the shadows. The focus on Marc Spector's multiple identities also illustrates Marvel Studios' effort to separate the Batman comparisons, as Steven Grant's millionaire comic roots were cut to avoid him being for Moon Knight what Bruce Wayne is for Batman. Moon Knight even pits Marvel's new Phase 4 hero against ancient Egyptian gods and the supernatural, which Batman is not known for being involved in.
Related: No, Moon Knight Is Not The MCU Batman: He's Better
Despite Marvel's best effort, Moon Knight episode 3 goes in the opposite direction slightly with a secret debut for Marvel's Joker. A maniacal and scarred clown with an obsession for the hero is not exactly present in the episode, but that is due to how the MCU changed Anton Mogart. He's an antique collector, a man of wealth, and someone who is easy on the eyes. However, the comics version of Anton Mogart
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