Iron Man 3 tops 2013 global box office as sequels and reboots dominate, The Independent

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Iron Man' led a record 2013 as Hollywood avoids box-office duels – The Mercury News

China Box Office: 'Iron Man 3' and 'So Young' Drive Record-Breaking Week

Why did Marvel decide to merge all of its superheroes movie franchises into the Avengers series, and will they ever produce independent franchise films again? - Quora

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Weekend Box Office: Warner Bros. Dominates the Holiday Frame with WONKA, AQUAMAN 2, and COLOR PURPLE - Boxoffice

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Iron Man 3' blows away the box office with $175 million opening weekend - The Verge