Watch the official "#1 in the Galaxy" trailer for the Marvel superhero movie Guardians of the Galaxy Vol. 3, directed by James Gunn.

Guardians of the Galaxy Vol. 3 Cast:

Chris Pratt, Zoe Saldaña, Dave Bautista, Vin Diesel, Bradley Cooper, Karen Gillan, Pom Klementieff, Elizabeth Debicki, Sean Gunn, Sylvester Stallone, Will Poulter, Chukwudi Iwuji and Maria Bakalova.

Guardians of the Galaxy Vol. 3 is now playing on the big screen!