In OTL, Hitler promoted National Socialism as a ideology only for Germans and their close relatives. What if the Nazis had set up a 'National Socialist Internationale' (incidently there actually was a 'Fascist Internationale' in OTL, so it's not so inconceivable) and actively encouraged other nations to follow the example of the 'National Revolution?' On top of this, they are more hostile to Conservative dicators like Petain or Franco and will demand that those who collaborate them follow 'true National Socialism'.