Joker/Luthor, I can here Mark Hamill's voice and the Luthor from the Justice League animated show haha
Batman from Justice League Animated Series - and thanks to his "niece" I am really liking Martian Man-hunter
Quotes from Justice League Animated Series
Third from the bottom (YJ) is my personal favourite, but the one underneath is also pretty cool, and WW looks awesome in her live-action kilt-thing.
Justice League: War #wonderwoman
Batman and Co.
Justice League War, the comic was much better at this scene but still good
The Flash cast - Grant Gustin - comic con 2015
Justice League: War – Trailer for New Animated Film
Hawkeye is a member of both the Avengers and the Justice League
He'll still somehow get there faster! Because He's Batman! --- this comment xD