I love that Superman opens with Zod, Non, and Ursa being banished to the Phantom Zone, and it's a hell of a tease knowing that Superman II was going to pick up on that storyline.

Superman has battled many surviving Kryptonians over the years, but of those, the biggest threat to him is easily General Zod. Zod was Krypton’s greatest soldier, but was thrown into the Phantom ...