Zack Snyder's Batman V Superman: Dawn of Justice will be the first time live-action versions of the Dark Knight and the Man of Steel have shared the big screen. As fans wonder how the battle between the two iconic heroes – Batman (Ben Affleck) and Superman (Henry Cavill) – will play out, much of Lex Luthor's (Jessie Eisenberg) role has remained a mystery. The actor has spoken a bit about the role, saying his character is "quite nasty" and condescending, and Warner Bros. is giving the classic villain's company, LexCorp, a big viral push – "LexCorp" even offered free Wi-Fi at New York Comic-Con 2015!The Batman V Superman teaser trailer and San Diego Comic-Con 2015 trailer provided some hints about Lex Luthor's role. Fans know he's a villain and his presence is sure to be felt in the film, but to what degree? His name wasn't in BvS' first official synopsis, after all. Now, some new information hints at the obvious, but it's sure to keep fans speculating about the role Superman's arch nemesis will serve in DC and WB's next comic book movie.Over on Odeon Cinemas' website, a new synopsis for Snyder's Batman v Superman has been posted. The company in the United Kingdom shared the synopsis which highlights the conflict between Batman and Superman, but it also points out that Lex Luthor will indeed be manipulating both of them "for his own twisted ends":