Olivia Munn and John Mulaney may not be done having kids. In a candid interview, the X-Men: Apocalypse actress, 43, revealed she made the risky decision to freeze her eggs weeks after being diagnosed with b—- cancer, as she and the comedian, 41, wanted to keep their options open in order to have another baby. Munn admitted she had undergone the procedure on three separate occasions in her life — when she was 33, 39, and most recently, at 42. “It’s interesting because my 33-year-old eggs were great. My 39-year-old eggs? None of them worked,” the mother-of-one, who shares 2-year-old son, Malco…