Super Mario RPG 6: Revenge of the Fuhrer

Prologue
After the ending of Super Mario RPG 4: Revenge of the bad guys Nintendon't traded the license to the series for cheese. It was bought by NintenNazi who decided to make a sequel. Unfortunately the Nazi Party stopped teaching maths because somebody made the equation Hitler=Dead. They think 6 comes after 4 and now people are probably thinking what happened to 5.

Actual Prologue
NintenNazi used their powers to resurect Fuhrer Guy and make him all powerful. Fuhrer Guys conqueres The Shy Guy Kingdom, Tellius, Evil Guy Tower and Germany. Meanwhile Mario was watching TV.