Washington, Aug 31 (ANI): Jesse Eisenberg recently described his character ‘Lex luthor’ in the upcoming movie ‘Batman v Superman: Dawn of Justice costumes’ as a “complicated and challenging person”. The ‘Social Network’ star said that it was an interesting role and as he got to knew one of the writers really well, Chris Terrio, they were able to discuss things at length and figure out who this person was, so as to create a real psychology behind what was, perhaps, in a comic book, a less than totally modern psychology, the Hollywood Reporter reported.