Board Thread:Supergirl discussions/@comment-27700324-20181126041618/@comment-28219731-20181128025933

Xandermcc wrote: Yes, i know. I saw every Christopher Reeve Superman movie. Along with Krypton, Lois and Clark, Smallville, Supergirl, Man of Steel, and Superman Returns.

Still doesn't make the Kryptonite used in the film Black-K. Black Kryptonite has only been in two Superman based shows. Smallville, and now Supergirl. Of course I remember hearing something about a city that only existed in DC animated form and then was brought to the comic books.