Nowhere does it show that this is Zod's reanimated body. Like usual on this board and others people are making assumptions, talking about them as facts, and propagating misinformation. It's exactly why this stupid idea of Batman being retired was spread and still won't die.
Lex could harvest DNA or cells from Zod's corpse to create Doomsday. Lex could study Zod's corpse and gather information from it that he uses to create Doomsday. There are many many ways this could play out in the movie.
Lex could harvest DNA or cells from Zod's corpse to create Doomsday. Lex could study Zod's corpse and gather information from it that he uses to create Doomsday. There are many many ways this could play out in the movie.