Gene Maddaus Senior Media WriterBam Margera filed a lawsuit on Monday against Paramount, Johnny Knoxville and director Spike Jonze, alleging that he was wrongfully fired from the upcoming fourth installment of the “Jackass” film franchise.Margera, one of the stars of the original TV series and the subsequent films, was fired last fall, after allegedly testing positive for Adderall, violating the terms of a “wellness agreement” he signed with the film’s producers.Margera has been in and out of