The actor, who has brought Marvel's big bad to life since 2014's Guardians of the Galaxy, clearly has a handle on what he's supposed to sound like. However, that didn't stop him and Fallon from exploring some other options during the late night show, and hilarity ensued. The fun begins at about 2:28 in the video below.
From a very high-pitched, Mickey Mouse-like voice to that of an New York gangster, Brolin gives a host of voices a shot. The exercise ultimately proves the Avengers: Infinity War villain got the right sound all along.
Avengers: Infinity War is currently in theaters and features pretty much every hero in the Marvel Cinematic Universe. The film has been 10 years in the making. It stars stars Robert Downey Jr., Josh Brolin, Mark Ruffalo, Tom Hiddleston, Chris Evans, Chris Hemsworth, Jeremy Renner, Chris Pratt, Elizabeth Olsen, Sebastian Stan, Benedict Cumberbatch, Paul Bettany, Samuel L. Jackson, Cobie Smulders, Benedict Wong, Zoe Saldana, Karen Gillan, Vin Diesel, Dave Bautista, Pom Klementieff, Scarlett Johansson, Tom Holland and Anthony Mackie. Grossing $1.6 billion nationwide, it is officially the highest-grossing superhero movie of all time.