RecruitingPhase 3Drug trialA Study Comparing JNJ-79635322 and an Anti-B-cell Maturation Antigen (BCMA)xCD3 Bispecific Antibody in Participants With Relapsed or Refractory Multiple MyelomaThe purpose of this study is to evaluate how well JNJ-79635322 works when compared with an anti-B-cell maturation antigen (BCMA)xCD3 bispecific antibody.