To get ready for Avengers: Endgame, we’re joining our favorite other YouTubers to bring you this series, #OneMarvelousScene. Today we’re breaking down the fight between Tony Stark (Robert Downey Jr.) and Thanos (Josh Brolin) in Avengers: Infinity War—let’s see how the scene reveals to us about Endgame, and the MCU’s deeper messages about fatherhood.