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'Avengers: Endgame' - About five minutes of footage, as well as screen shots, GIFs, and short clips have been leaked, particularly on Twitter and Reddit.

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'X-Men Origins: Wolverine' - Marvel is no stranger to leaks. An unfinished copy of 'X-Men Origins: Wolverine' was leaked before its release.

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'X-Men Origins: Wolverine' - This time however, the FBI caught the man who uploaded the footage online.

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'Deadpool' - 'Deadpool' footage was leaked during San Diego Comic Con in 2014.

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'Deadpool' - Despite the test footage being leaked, the movie was still a huge success. Many believe that it was actually a strategic marketing ploy. 

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'Hulk' - Parts of the 2003 film were leaked before it was released. Whether or not the leak is to blame, the movie didn't have great box office numbers.

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'Hulk' - The man responsible for the leak was sentenced to six months of house arrest, had to pay a US$2,000 fine, and pay Universal Pictures US$5,000 in restitution.

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'Star Wars: Episode III - Revenge of the Sith' - The movie was leaked online just a few hours after its premiere.

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'Star Wars: Episode III - Revenge of the Sith' - The man responsible for the leak was eventually arrested and sentenced.

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'Fury' - 'Fury' was one of the movies leaked by the "Guardians of Peace," a group from North Korea that hacked Sony Pictures Entertainment.

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'Fury' - The hack was allegedly a retaliation by Kim Jong-un's regime for the movie 'The Interview,' where Seth Rogen and James Franco poked fun at the dictator.

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'Still Alice' - This was yet another movie leaked after the Sony Pictures hack in 2014.

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'The Revenant' - The movie that earned Leonardo DiCaprio the Academy Award for Best Actor in 2016 was also leaked before being released.

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'The Revenant' - Following an FBI investigation, the man who leaked the film online was eventually fined US$1.1 million.

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'Zero Dark Thirty' - The movie that got five Oscar nominations in 2013 was leaked onto a torrent website before its release.

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'Annie' - The movie was leaked online just three weeks before hitting the theaters in the US.  

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'The Expendables 3' - The star-studded action movie was leaked almost a month before it was released in theaters. 

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'The Expendables 3' - The leaked copy was downloaded 189,000 times in just 24 hours!

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'American Gangster' - A screener of 2007's 'American Gangster,' starring Denzel Washington was leaked before the movie came out.

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'Super 8' - 'Super 8' had pretty decent box office numbers, even though a screener was leaked online.

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'Super 8' - The bizarre thing is that the screener seemed to have been leaked by 'The Howard Stern Show.'

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'Joy' - The movie starring Jennifer Lawrence was leaked by a piracy group called Hive-CM8.

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'The Hateful Eight' - To begin with, the first draft of the script for the film was leaked online as a document. 

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'The Hateful Eight' - And then Quentin Tarantino's movie was also leaked by the group Hive-CM8 before its release.

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'Hostel: Part II' - Back in 2007, Eli Roth's horror movie started circulating on DVD before being released.

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'The Hurt Locker' - The film that made Kathryn Bigelow go down in history as the first female director to win both the Best Picture and Best Director Oscars, was leaked in the US five months before its release.

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'Zombieland 2' -

'Zombieland' was heavily pirated in 2009. If that wasn't bad enough, the plot for 'Zombieland 2' was also leaked.

See also: 30 Hollywood movies coming out in 2019

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