Question: Did villain that killed Superman murder Robin?, Answer:No, Description of Superman: Fictional superhero, Fact1: Superman was killed by the villain Doomsday in Superman #75., Fact2: Robin is killed by The Joker in the Batman comics.
Step1: Who was Superman killed by?, Step2: Who was Robin killed by?, Step3: Is #1 the same as #2?, Wikipedia page for step 1: Superman, Wikipedia page for step 2: Robin (Batman), Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False