what is the next logical entry in the following series: 1a,3c,5e,__?

Questions

In the broadest sense, the entire western hemisphere south of the U S?

In the comic books, what is the name of Superman's super cat?

In the comic strips, where was Li'l Abner's hometown?

In the fictional tale, who fought with staffs on a log bridge?

In the game monopoly, the most money you can lose in one travel around the board (normal game rules, going to jail only once) is how much?