Sources tell Nexus Point News that makeup and prosthetics will be used for the film’s antagonist. In addition, actors with a strong build and stature are being looked at for the role. The makeup and prosthetic portion, heavily hints at the character being Brainiac, known for his green skin and technological enhancements. Another character, heavily speculated by fans to be the villain is Mongul, whom the casting description could be hinting at as well. Mongul is particularly known for his size and the makeup could be used to recreate his yellow skin.