DC fans can't decide whether or not the role of Lex Luthor should go to Alexander or Bill Skarsgård, as both of the Swedish brothers may be joining James Gunn's Superman: Legacy. The world is getting closer to discovering who will star in Superman: Legacy as both the Man of Steel and Lois Lane. However, ongoing screentests are also trying out actors for Lex, although it hasn't been confirmed if he will be the main villain or not.
https://screenrant.com/alex-bill-skarsgard-superman-legacy-lex-luthor-debate/