Captain America: Brave New World and Thunderbolts also saw so-so box office returns, with the former earning $415 million globally and the latter taking home $386 million. The lowest-grossing Marvel movie of all time is The Marvels, which just broke even at $206 million globally, with 2012's The Incredible Hulk coming in second at $265 million.

The weekend box office updates are in, and Marvel Studios' The Fantastic Four: First Steps was hit with an even bigger drop than estimates had

First Steps' held firm at the top of the U.K. and Ireland box office for a second weekend, adding $4.1 million.