The photos appear to be mainly promotional images of the cast. The photos show Henry Cavill as Clark Kent and Amy Adams as Lois Lane; Kevin Costner as Jonathan Kent and Diane Lane as Martha Kent; and Henry Cavill as Superman.
Given that Jonathan and Martha Kent appear more dressed up than the small town farmers that they will be playing in the movie, these are likely just some early promotional shots of the cast. We probably won’t actually see them dressed like this in the movie.
The Man of Steel is set to be released in movie theaters in the United States on June 14, 2013.
Update: Images removed by request.