comms
Seal it in a lead container and lock it away. If this bad entity wanted to cause more havoc it would bring others from Krypton here, Zod, for one and we'd need the Kryptonite to weaken him.
Please stay with them then and make sure to take as long a break as you need.
Businessman with desires of world domination. I'm glad you haven't had the misfortune of meeting him.