Does Shrek have a hidden message? A fifth film in the series has just been announced. Many critics attribute the film’s amazing success to its underlying philosophy.
Grumpy green ogre to return next year

Glossary
Rampaging - Act in a violent or uncontrolled way.
Marxist - A supporter of the left-wing political, economic and philosophical ideas of Karl Marx.
Metaphor - When a word or phrase is used to describe something, but it is not literally true.
Bourgeoisie - In a Marxist context, the capitalist class who own most of the wealth in society.
Capitalism - A form of economy characterised by private property and competition between companies.