Mattel is banking on Gen X to pass the torch and give the Masters of the Universe movie and toys a multi-generational boost. The MGM and Mattel Masters of the Universe big-screen adaptation hits movie theaters in the U.S. on June 5. Describing He-Man as a niche fan-favorite IP, Jess Kirkman, Global Head of Brand Creative at Mattel, broke down how it hopes the original Masters of the Universe fans will open up that world for a new generation. “There’s a specific audience that knows the He-Man era, and it’s a lot from the ’80s, the Gen X’ers, mostly. These people are going to want to go see the movie, we have these die-hard fans,” she said at Web Summit Vancouver. “There are these stories that are so important, and they have not necessarily been translated to the younger generation that we sell toys to. “He-Man, Skeletor, Masters of the Universe , She-Ra, Evil-Lyn — they’re actually being shared from parent generation down to kid through storytelling.…