Ever since Jesse Eisenberg was cast as Lex Luthor, fans have been heavily divided on whether or not it would work: he's an extremely atypical choice, and one that will probably continue to split fans after release. In fairness, there should be credit to Snyder for not just casting another venerable A-lister to do some hammy acting but actually trying something different, and from what's been seen of Eisenberg so far, he looks like he has a distinct vision of the character, a younger, hipper Luther with the expected arrogance and, well, another terrible hairpiece. Even so, comic book fans are a notoriously fickle bunch, and so even if Eisenberg knocks it out of the park, some won't like it simply because he doesn't conform to how they envision the character.