The First Avengers: Endgame Trailer Is Exactly as Bleak as You’d Expect After Infinity War

If you've seen Avengers: Infinity War, you know that it ends on the most soul-crushing note in the history of the Marvel Cinematic Universe. (That's your cue to stop reading if you'd rather avoid spoilers from the most recent Avengers installment.) While few expect that the genocide wrought by Thanos will be permanent, the first...