Mars Needs Moms (2011)
Mars Needs Moms is based on the children’s book of the same name by author Berkeley Breathed. Unfortunately, the animated flick ended up losing between $100 and $144 million at the box office, making it one of the biggest flops of all time.
John Carter (2012)
2012’s John Carter ended up costing Disney a whopping $200 million, making it one of the biggest flops in box office history. There was even a sequel and a spinoff trilogy in the works, but all of those subsequent films were cancelled due to the film’s failure.