TSC Ratings provides exclusive stock, ETF and mutual fund ratings and commentary based on award-winning, proprietary tools. Its "safety first" approach to investing aims to reduce risk while seeking solid outperformance on a total return basis.Transformers: Revenge of the Fallen, the second movie in the series about robots in disguise, exploded in its debut, earning more than $62 million on its opening day alone. The film has been out for two and a half weeks and has grossed $339 million domestically and $670 million worldwide. With a production budget of $200 million, the return on this movie is already attractive without factoring DVD sales and television rights. Paramount Pictures, the Viacom ( VIA.B) subsidiary that distributes the film, is in for a huge payday. Predicting which movies will blast off and which will fizzle is difficult, but a free tool from Google ( GOOG) offers some potentially lucrative clues. Google Trends allows users to graph how often people search certain words, whether they're movie titles or product names. The results can serve as a gauge of consumer interest. Based on this data, there are several potential cash cows coming out this summer. The following graph shows the search frequency for Transformers as well as other highly anticipated movies this year.