While Jesse Eisenberg’s portrayal of Lex Luthor in Batman v Superman: Dawn of Justice was met with polarizing reactions, given that the character returned for a cameo appearance at the end of Justice League, it was expected that he’d continue playing an important role in the DC Extended Universe.
However, the direction of this franchise has changed significantly since the release of Justice League, and a recent comment from Eisenberg indicates he doesn’t expect that he’ll be asked to reprise Luthor.