I don't have any idea if that's true, what i do know is that i'm pretty sure it will make a lot of money here tooIndy and Iron Man are strong rivals and I am sure that PC's true strength will be outside the USA, just like it is with Harry Potter. I hate to generalize, but to me it seems that Americans generally prefer superhero movies and Star Wars, while Europeans are crazy about fantasy and historic epics
Some couldn't careless about what it makes during opening weekend but it is extremely important for it to meet expectations as the making of the other movies depends on the success of Caspian and VDT.