That's not to say that Ben Affleck's 'Accountant' sequel and the 'Star Wars: Episode III' rerelease aren't also feeding the box office boom, with overall revenue up more than 100 percent over last year.

Revenge of the Sith has returned to theaters, and after grossing an impressive $3.4 million from Thursday previews, the movie could be set to score an upset win at the domestic box

: Refresh for more updates, chart and analysis…Typically the last weekend of April, out of when the Avengers movies opened, is a depressed weekend before a Marvel Cinematic Universe takes up all the oxygen at the start of summer,