Iron Fist Season 2: 19 Easter Eggs & References Explained
11. Earth-616
In the season's fifth episode, Colleen and Misty Knight (Simone Missick) head out to search for a missing-in-action Danny, when we hear a "616" code go out over the police radio.
Misty then explains that this translates to "possible suspect with abilities", but the real cute part of this exchange is the number 616 itself. This is of course the comic book identifier for the main Marvel universe in which most major comic book events take place: Earth-616.
It doesn't get many points for subtlety - especially if you're watching the show with subtitles on - but it's a playful little nod all the same.
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