First Steps” should have dominated at the box office through the dog days of summer. Instead, ticket sales are falling fast and the superhero adventure will be unseated from the top spot on North American charts,

First Steps had a “just fine” debut, though it couldn’t reach the heights of DC’s Superman. Now in its second weekend, the latest entry in the MCU faced a disappointing 66 percent drop off. It’s still Marvel’s biggest hit of the year,