Earth 2

Anyone who read DC might know about Earth 2. It's where thing are reverse. Those who are good tend to be bad. Those who are bad tend to be good. The Crime Syndicate of Amerika is the JLA of that DC Earth, filled with evil equalivlants of the heroes of the DC world.

BUT...

You don't just have to stick with DC. You can use the same idea for other worlds. So how does the story start. Where does it start? Who starts it?