 Patients receive glembatumumab vedotin intravenously IV over 90 minutes and nivolumab IV over 60 minutes on day 8 of course 1 and on day 1 of subsequent courses. Patients in melanoma expanded cohort also receive ipilimumab IV over 90 minutes on day 1. Treatment with ipilimumab repeats every 21 days for 4 courses in the absence of disease progression or unaccepted toxicity and courses with glembatumumab vedotin and nivolumab repeat every 21 days in the absence of disease progression or unaccepted toxicity. 