FilmWeek: ‘Underworld: Blood Wars,’ ‘Railroad Tigers’ and more, plus a new tome on the Marx brothers

Summary: Larry Mantle and KPCC film critics Wade Major, Tim Cogshell and Charles Solomon review this weekend’s new movie releases including: in wide release, Kate Beckinsale taking another turn as vampire warrior Selene in “Underworld: Blood Wars;” Jackie Chan in the Mandarin-language feature “Railroad Tigers;” the thriller “Arsenal” starring Nicolas Cage and John Cusack; and more. We'll also talk to Robert S. Bader about his revelational book on comedy legends, the Marx brothers. TGI-FilmWeek!