After a decade of unprecedented success, the Marvel Cinematic Universe has been hitting some speed bumps.
They aren't enough to knock off course the biggest movie franchise ever, which has grossed over $25 billion globally across 29 movies in 14 years. And Disney-owned Marvel Studios' presentation at San Diego Comic-Con over the weekend provided plenty of optimism for its future.
But it's been hard to ignore the cracks appearing in Marvel's armor. The last few movies, aside from "Spider-Man: No Way Home," have been met with muted audience response.
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