This is my prequels before Justice League:
_ Batman Begins (2005)
_ The Dark Knight (2008)
_ Green Lantern (2011)
_ The Dark Knight Rises (2012)
_ Man of Steel (2013)
_ Wonder Woman
_ The Flash
_ Green Lantern 2: Emerald Knights
_ The Dark Victory (2015)
_ Hawkman
_ Green Arrow Year One
_ Man of Steel 2
_ Green Arrow: Escape from Supermax
_ Aquaman
_ Batman vs. Superman: World’s Finest
_ Justice League