Butch Cassidy was a famous outlaw. He led the Wild Bunch gang. They were known for robbing trains and banks in the American West. He was born Robert Leroy Parker. His nickname 'Butch' came about in a rather ordinary way from a job he had. He became a wanted man due to his criminal activities but also became something of a folk hero in some ways.
I'm not sure. It's possible it was hinted at or alluded to, but not explicitly shown. You might need to go through the comics carefully to find any possible indications.
Yes. The presence of Cassidy's son in the comic book had significant implications for the plot and character dynamics. It created more depth and complexity to the overall narrative.
Cassidy meets his demise in a rather unexpected and tragic way. His death is a result of a series of complex events and conflicts within the comic's storyline.
It's inspired by real people and events, but it's not a completely accurate account. The filmmakers took creative license to make it more engaging for the audience.