Justice League Plot Rumors: Mother Boxes, Cyborg & Black Canary

The latest round of gossip suggests that Justice League Part One involves Steppenwolf retrieving three left-behind Mother Boxes.

Mayimbe also notes that Cyborg will be instrumental in uncovering the plot by Steppenwolf (and presumably Darkseid) to reacquire the Mother Boxes.

Slowly but surely, rumors and hints about the forthcoming Justice League films are trickling out.