Superman has been Earth's protector for over a decade now and alongside his cousin Supergirl , are believed to been the last ever Kryptonians. Whenever the portal of the Phantom Zone opens , three Kryptonian criminals escape . Led by General Zod with his partner Faora and the brute Non , the trio plan on unleashing an army and turning Earth into the new Krypton , Superman & Supergirl stand their way.
