Complex sentence: The Kingpin tells Ronin to prove himself by retrieving Spider-Man.He drives a school bus into Midtown High School and starts firing a gun to get Spider-Man to fight him.
Split into simpler sentences: The Kingpin tells Ronin to prove himself by retrieving Spider-Man. To do this he drives a school bus into Midtown High School and starts firing a gun to get Spider-Man to come out and fight him.