A new Justice League promo reveals additional footage of the supporting cast, with scenes of Amber Heard's Mera fighting off Parademons in Atlantis, as well as the Amazons battling Apokolips' forces during an earlier invasion of Earth.RELATED: Justice League Will be the DCEU’s Shortest Movie YetAlso placed in the spotlight is Steppenwolf, who can be seen trying to cut down the Justice League with his trusty ax as he leads Darkseid's forces. The rest of the clip contains all-too-familiar footage pitting the likes of Aquaman and Wonder Woman against Steppenwolf's army, but we do get to see a lot more of Cyborg in flight and using his blasters against the invaders.

With Justice League's run time being the shortest in the DC Extended Universe, fans will be eager to see how all this explosive action pans out along with the backstory for these new heroes and villains in Zack Snyder's story.

Opening Nov. 17, Justice League stars Ben Affleck as Batman, Henry Cavill as Superman, Amy Adams as Lois Lane, Gal Gadot as Wonder Woman, Jason Momoa as Aquaman, Ezra Miller as The Flash, Raymond Fisher as Cyborg, Willem Dafoe as Vulko, Jeremy Irons as Alfred Pennyworth, Diane Lane as Martha Kent, Connie Nielsen as Queen Hippolyta, Amber Heard as Mera and J.K. Simmons as Commissioner Gordon.