Complex sentence: Following an "anniversary" of Batman's last crusade with Jim Gordon, a 60-year old Bruce is almost mugged by a group of street hoods, but he defends himself, realizing that he could not ignore the rising wave of crime.
Split into simpler sentences: Following an "anniversary" of Batman's last crusade with Jim Gordon, a 60-year old Bruce is almost mugged by a group of street hoods. He defends himself, realizing that he cannot ignore the rising wave of crime.