Warning! Spoilers ahead for Marvel's Eternals
The Eternals post-credits scene connects Kit Harington's Black Knight and Mahershala Ali's Blade, and here's how the characters are connected in the comics and what it means for the future. The Marvel Cinematic Universe's roster of heroes expanded greatly with Phase 4's third film. Eternals introduced ten new heroes with the main Eternals team, but it also is responsible for setting up some other important figures. This ranges from Harry Styles'
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