The new land will be themed for the superheroes of Marvel comics and movies.
The city of Anaheim has already approved a handful of building permits.
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So far, the permits assess the value of the work at more than $14 million.
Some of those permits include projects for a new retail outlet, a microbrewery and a character meet-and-greet area. More details are expected to be released at D23 in August.
This latest Marvel expansion comes on the heels of the opening of Star Wars: Galaxy's Edge.
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