According to The Wrap, actor Ciaran Hinds will be playing Steppenwolf with a mo-capped performance. Additionally, The Wrap reports that Steppenwolf will look different than he did in the Batman v Superman deleted scene.
In Justice League, Steppenwolf will be after three mother boxes, which are considered living computers that create Boom Tubes for teleportation and has other wondrous powers.
Justice League is directed by Zack Snyder, and stars Henry Cavill as Superman, Ben Affleck as Batman, Gal Gadot as Wonder Woman, Jason Momoa as Aquaman, Ray Fisher as Cyborg, and Ezra Miller as The Flash.
Justice League opens November 17, 2017