Searched for the film Big on Duck Duck Go. I pressed "continued on Wikipedia" and ended up on a non-existing page for "Big (film)" on Icelandic Wikipedia.
I went back and noticed that Iceland was checked as my location. I unchecked and tried it again and got the expected English language article.
There are levels of problems here but the most obvious might be the assumption that Icelandic Wikipedia has a page about any topic and that the Icelandic article would have the exact same title as the English one. It is, after all, a different language.