Happy Marvel Fans Take To Twitter To Share Reactions & Hidden Details About Episode 4 Of 'Hawkeye'

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Vote up the tweets that hit the mark.

WARNING: SPOILERS 

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The fourth episode of Disney+'s Hawkeye had its fair share of surprises, and a cameo of a character that every Marvel fans has been waiting for. 

Needless to say, when Natasha's younger sister Yelena Belova appeared on a New York rooftop, fans tooks to Twitter to share their joy, their excitement, and all the insights and small details they discovered after several re-watches. Vote up the tweets that are completely on target.