spoiler alert, iron man dies and captain america wields thor's hammer. also vision ides, the avengers go back in time, the Guardians of the Galaxy are tossed in, and captain marvel makes an appearance in End game. Black widow dies, thanos in 2016 travels forward in tim to the present day, and then present thanos dies at the hands of the mighty thor. There, saved you 4 and a half hours of your life.