Dr Emmett Vale is a scientist who works for LexCorp Industries.
Emmett was working on a piece of Kryptonite found at the crash site of the Scout Ship in Metropolis during the Black Zero Event and Battle of Metropolis. They used it to discover that it can destroy Kryptonian cells, as he stood by as Lex Luthor presented his findings to Senators June Finch and Barrows.
- Batman v Superman: Dawn of Justice (First appearance)
- In the comics, Emmett Vale is the creator of the Superman villain, Metallo.