Consider the W&L course and department/program in which you are working. Most of the article-searching databases in the various subject areas covered in the library's website can be used to find discussions of movies. For example, the Iter: Gateway to the Middle Ages and the Renaissance database is a good place for articles on Monty Python and the Holy Grail. Some of the "best" such databases are listed below.
The W&L library's Primo database can search for articles from the above databases and much more, but you may find the sheer volume of search results a bit hard to digest. Here are two examples of an "Articles Only" search of the Primo database:
Examples of searches: