The feature film from Amazon MGM Studios and Mattel Studios will be released theatrically in the U.S. on June 5 Prince Adam seeks to be reunited with the Power Sword in the first teaser for “Masters of the Universe.” Check it out. The live-action feature “Masters of the Universe” from Amazon MGM Studios and Mattel Studios, will be released exclusively in U.S. theaters on June 5, 2026. We also have plot info as the official logline reads, “After being separated for 15 years, the Sword of Power