Everything you missed from the 'Avengers: Endgame' trailer

The Avengers 4 trailer has finally dropped, and with it the world now knows the title (Avengers: Endgame) and release month (April 2019) of the most anticipated movie of next year. 
Since April is neither today nor tomorrow, it's time to enter an entertainment writer's favorite liminal space: that of wild, funky speculation and close trailer readings! 
SEE ALSO: The 'Avengers: Endgame' trailer is here and it's looking like real bad news for our friends
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