First, the darkly comedic thriller "Suicide Kings" concerns five college preppies who get more than they bargained for when they hold retired wiseguy Christopher Walken for ransom in order to save the sister of one of them from the hands of a group of sadistic kidnappers. Henry Thomas, Sean Patrick Flanery, Jay Mohr, Denis Leary, Laura San-Giacomo co-star. Then, the hilarious "Wagons East!" stars John Candy as an alcoholic wagon master called on to lead disgruntled settler Richard Lewis and his fellow townspeople back to the happier environs of St. Louis. With Ellen Greene, John C. McGinley, Robert Picardo. 3 1/2 hrs. total. Soundtrack: English.