A Study to Assess BMS-986458 Alone and in Combination With Anti-lymphoma Agents in Relapsed/Refractory Non-Hodgkin Lymphomas

Inclusion Criteria: * Participants ≥ 18 years of age with frontline or R/R NHL. * Participant must have measurable disease (defined by at least one FDG-avid lesion for FDG-avid disease and one bi-dimensionally measurable disease on cross sectional imaging by computed tomography or magnetic resonance imaging with at least one lesion \> 1.5 cm in the transverse diameter). * Participants must accept and follow pregnancy prevention plan. Exclusion Criteria: * Participants must not have an Eastern Cooperative Oncology Group (ECOG) performance status ≥ 2. * Participants with an inability to comply with listed restrictions, precautions and prohibited treatments. * Participants must not have prior CAR-T, or radiotherapy ≤ 4 weeks, systemic anticancer treatment ≤ 5 half-lives or 4 weeks, allogeneic SCT ≤ 6 months (only applicable to BMS-986458 single agent or rituximab combination cohorts), or autologous SCT ≤ 3 months prior to study intervention initiation. * In BMS-986458 + T-cell engager combination cohorts: Participants must not have prior alloSCT or solid organ transplantation, history of confirmed progressive multifocal leukoencephalopathy (PML); known or suspected history of hemophagocytic lymphohistiocytosis (HLH); known or suspected chronic active Epstein-Barr (EBV) infection. * Participants must not have any condition, including significant acute or chronic medical illness, active or uncontrolled infection, or the presence of laboratory abnormalities, that places particip…