Book publishers were afraid of building shared universes until they saw how successful the Marvel Cinematic Universe was, according to Brandon Sanderson
thepopverse.com – Tuesday February 3, 2026

The Marvel Cinematic Universe is so influential that it has even changed the way books are published. Publishers and readers are embracing shared universes, such as Leigh Bardugo’s Grishaverse and Jeremy Robinson’s Nemesis Saga. While book series are nothing new, a shared literary universe is different because it can focus on different characters and different time periods in a shared continuity, whereas a series will tell a linear story with the same characters.
Brandson Sanderson, who created the Cosmere literary universe, recalls how the shift began after the MCU took off. “I thought I want to do all these magic systems, all these different planets, and I want to connect them all,” Brandon Sanderson says during New York Comic Con 2022’s Titans of Fantasy panel. “People were really scared of continuity back then. When I was doing this, this was a few years before the MCU came out. Publishers were scared. They wanted one series but they didn’t want this big interconnected thing because the conventional wisdom was this would scare off readers.”
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