In the post- Crisis On Infinite Earths continuity, Lex Luthor cloned Superman more than once. While his most successful venture combined his own DNA with Superman’s to create Conner Kent, the first attempt was a failure. In The Man of Steel limited series, Lex Luthor created a clone of Superman that crystallized over time.

Here's what the post-credits scenes entail and the writer/director's philosophy behind them.David Corenswet) sitting on the moon with Krypto in his arms, looking down at Earth. There is some meaning behind it.