Who is lex luthor in the dc universe?

Lex Luthor is a character from DC Comics who has been featured in various media adaptations. In the context of the upcoming film "Man of Tomorrow", he is portrayed by actor Nicholas Hoult. The film, written and directed by James Gunn, is part of the DC Universe (DCU) and follows Superman. In this story, Luthor and Superman reluctantly team up to face the superintelligent threat Brainiac. The film’s cast includes David Corenswet as Clark Kent/Superman and Nicholas Hoult as Lex Luthor, with other supporting actors such as Rachel Brosnahan and Skyler Gisondo.