The phrase "one's initial appearance" refers to the way someone looks or presents themselves when you first meet them. It could include their clothing, grooming, and overall physical impression. Full definition
A store clerk once had a favorite customer who was much larger than initial appearances showed. (professorshouse.com)
The season pass, which has six parts will offer downloadable content based on The Dark Knight, Man of Steel, and the 75th anniversary of Batman's initial appearance in Detective Comics. (the-games-blog.com)