Male subjects who are unwilling to use acceptable method of effective contraception. Acceptable method of contraception Male subjects must agree to use an acceptable method of contraception beginning prior to study entry, for the duration of the study, and for six months following last dose of avelumab/utomilumab Male subjects must agree to use an acceptable method of contraception beginning prior to study entry, for the duration of the study, and for six months following duration of study participation Male subject agrees to use an acceptable method of contraception for the duration of the study Male subject agrees to use an acceptable method of contraception for the duration of the study Male patient agrees to use an adequate method of contraception for the duration of the study Male patient agrees to use an adequate method of contraception Agrees to follow protocol-defined method(s) of contraception AMKL PATIENTS: Male patients, even if surgically sterilized (i.e. status post-vasectomy) agrees to use an acceptable method for contraception during the entire study treatment period through days after the last dose of alisertib; likewise, female patients should agree to use acceptable method for contraception during the entire study treatment period through days after the last dose of alisertib MF PATIENTS: Male patients, even if surgically sterilized (i.e. status post-vasectomy) agrees to use an acceptable method for contraception during the entire study treatment period through days after the last dose of alisertib; likewise, female patients should agree to use acceptable method for contraception during the entire study treatment period through days after the last dose of alisertib Male subject unwilling to use an acceptable method for contraception for the duration of the study and one year beyond treatment completion, will not be eligible to participate in the study Male subject agrees to use an acceptable method for contraception during the entire study treatment period and through months after the last dose of brentuximab vedotin Women of childbearing potential and male participants who are unwilling or unable to use an acceptable method of contraception throughout the study and for four weeks after completion of treatment or those who are using a prohibited contraceptive method Male subject agrees to use an acceptable method for contraception for the duration of the study Subject agrees to use adequate contraception during the study period and for weeks after last dose of study therapy Male subject agrees to use an acceptable method for contraception during the entire study treatment period and through months after the last dose of lenalidomide Male subject agrees to use an acceptable method for contraception for the duration of the study Male subject agrees to use an acceptable method for contraception for the duration of the study Male subject agrees to use an acceptable method for contraception for the duration of the study. Male subject agrees to use an acceptable method for contraception for the duration of the study Male subject unwilling to use an acceptable method for contraception for the duration of the study and one year beyond treatment completion Male subject agrees to use an acceptable method for contraception during the entire study treatment period through months after the last dose of MLN Male subject agrees to use an acceptable method for contraception for the duration of the study Male subject agrees to use an acceptable method of contraception for the duration of the study Male participants must agree to use an acceptable method for contraception during the entire study treatment period and through months after the last dose of treatment Agrees to use an adequate method of contraception during the study and until months after the last treatment.