Actors deaths supposedly boosting box office returns
I've heard a lot of people dismiss large box office grosses for recent blockbuster movies by saying things like "they only earned that much because of <this or that actor's> death."
Only a small portion of people I talk to attribute the box office returns to the audience's genuine interest in the actual films. I've heard this many times in regards to Heath Ledger's death and The Dark Knight, and most recently with Paul Walker's death and Furious 7.
My question is, why wouldn't this ring true for the last entry in the Night at the Museum franchise since it was Robin Williams' last live action appearance in a film? I mean, Robin Williams was arguably more esteemed/revered and talented than both Ledger and Walker when the entirety of their careers are brought into consideration. I know that the Night at the Museum franchise is not nearly as successful as the Batman films or the Fast and Furious movies, but they're not exactly duds either. The first film made almost 574 million dollars worldwide and the second made a little over 400 million worldwide. Secret of the Tomb was in no way a financial failure considering the fact it made over 360 million dollars worldwide; however, if an actor's death really does equal larger box office returns, shouldn't this have made a lot more money?
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