Supergirl's Tyler Hoechlin wants his Superman to face off against Lex Luthor. 1 / 7
Lex Luthor is portrayed by Jon Cryer. 2 / 7
Lex Luthor is recurring character Lena Luthor's villainous brother. 3 / 7
Superman left his Earth after the Elseworlds crossover after Lois Lane became pregnant. 4 / 7
Supergirl has been building toward a face off between Kara and Lex... 5 / 7
Which will likely take place during the show's finale next week. 6 / 7
Perhaps a Superman/Lex battle could take place in the show's fifth season. 7 / 7