If we translate "o destemido" from Portuguese to English, it means "the fearless" or "the brave". There are several movies with similar titles or themes of bravery released around or before 2010. One notable film that comes to mind, although not exactly matching the title, is "The Brave" (1997) or "Brave" (2012), but neither seems to fit perfectly with your 2010 criterion and the Portuguese dubbing.
A more likely candidate might be a film dubbed or known in Portuguese as something similar to "O Destemido". Without a precise match, let's discuss what could be considered under this premise: Movie Title: Potentially "O Destemido" (Assuming a direct translation to "The Fearless" or similar) o destemido filme completo dublado portugues 2010 new
2010