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.

If you've seen James Gunn's "Superman" and you're wondering what the deal is with Ultraman, we've got you covered. Here's what you need to know.