Avengers: End Game
Why riff Avengers: End Game? For the same reasons other box office smashes like Avatar, The Avengers, The Dark Knight, and every Star Wars movie ever made were riffed: because they got it coming to them.
STAR WARS STINKS commented
I kinda enjoyed Infinity War, so I was game (no pun intended!) for this one. It wasn't as bad as 'Aquaman', for instance, but it was kinda dumb at times. :)