A List of the top 10 Most Expensive Movie Flops of all time.

By John

"Pirates of the Caribbean: On Stranger Tides" (2011)  

Estimated budget of $378.5 million, worldwide box office gross of $1.05 billion, resulting in a loss of around $126.5 million 

"Avengers: Age of Ultron" (2015) 

Estimated budget of $365 million, worldwide box office gross of $1.4 billion, resulting in a loss of around $83 million. 

"Justice League" (2017) 

Estimated budget of $300 million, worldwide box office gross of $657.9 million, resulting in a loss of around $150 million. 

"Solo: A Star Wars Story" (2018) 

Estimated budget of $275 million, worldwide box office gross of $393.2 million, resulting in a loss of around $125 million. 

"John Carter" (2012) 

Estimated budget of $264 million, worldwide box office gross of $284.1 million, resulting in a loss of around $200 million. 

"Tangled" (2010) 

Estimated budget of $260 million, worldwide box office gross of $591.8 million, resulting in a loss of around $89 million. 

"Spider-Man 3" (2007) 

Estimated budget of $258 million, worldwide box office gross of $890.9 million, resulting in a loss of around $95 million. 

"Titanic" (1997) 

Estimated budget of $254 million, worldwide box office gross of $2.2 billion, resulting in a loss of around $57 million. 

"The Hobbit: The Battle of the Five Armies" (2014) 

Estimated budget of $250 million, worldwide box office gross of $956 million, resulting in a loss of around $70 million 

"Harry Potter and the Half-Blood Prince" (2009) 

Estimated budget of $250 million, worldwide box office gross of $934.4 million, resulting in a loss of around $50 million.