Avengers Endgame had its world premiere Monday night and while the rest of us wait to see the movie The Tonight Show Starring Jimmy Fallon dropped some last minute footage that will please Billy Joel fans.
Jimmy Fallon
Avengers: Infinity War Cast Recreates A Popular TV Theme Song
What happens when The Tonight Show has the cast of Marvel’s Avengers: Infinity War sing their own version of an iconic television theme song that was once written by Sherwood Schwartz?
Reggie's Take.com 