If “Captain America: Brave New World” continues to drop at the same pace as “Quantumania,” which fell 60% in its third weekend, then it will fall short of $200 million domestic. The one hope that the film has is a bad sign for theaters: there is no major competition on the horizon.

Brave New World" is losing momentum at the box office, even during a muted winter weekend with only a smattering of new releases.