Complex sentence: Delgado resumed his career as Gangbuster following Superman's apparent death at the hands of Doomsday, but got into trouble when he broke up a drug deal only to discover that it was part of an undercover police operation.
Split into simpler sentences: Delgado resumed his career as Gangbuster following Superman's apparent death at the hands of Doomsday. He got into trouble when he broke up a drug deal only to discover that it was part of an undercover police operation.