Which film franchise pioneered the use of 'hidden compartment' packaging in collector's edition box sets that revealed secret items when manipulated in a specific way?

The film and television industry has transformed how physical media is marketed through innovative packaging designs. Collector's editions and special releases have become highly sought-after products that extend the brand experience beyond the screen. This trivia question explores a groundbreaking packaging innovation that changed how premium film collections are presented to consumers and influenced industry standards for collectible releases.

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The Lord of the Rings (with Middle-earth map that revealed Elvish inscriptions when heated)
Harry Potter (with Marauder's Map packaging that revealed content when tapped with a wand-shaped stylus)
Star Wars (with holographic Death Star plans that revealed additional content when viewed at specific angles)
Marvel Cinematic Universe (with Infinity Gauntlet box that revealed hidden discs when specific stones were pressed)