Treasury secretary pick Steven Mnuchin is an executive producer on Warner Bros.’ “The Lego Batman Movie,” which pulled in an estimated $55.6 million from U.S. audiences during its opening weekend.img src=”http://feeds.feedburner.com/~r/rss/money_news_international/~4/qLmO3R3hO0U” height=”1″ width=”1″ alt=””/