u/Unable-Jury-4884

You can see it Behind Lex in this scene, now this could just be me overanalyzing and it could just background detail but the words are very specific and considering that the characters are trying to save Superman in the next episode as it says in it's description he definetly has a Kryptonite power core like the Metallos which makes sense why he is even a threat to 3 kryptonians next episode.