Director Jon M. Chu is in talks to take the helm of Sony's Masters of the Universe , an adaptation of the 1980s Mattel toy line, his reps confirmed to THR. The filmmaker, whose credits include Step Up 2 and Step Up 3D as well as the documentary Justin Bieber: Never Say Never , would take the project on as the follow-up to another adaptation of a toy line, G.I. Joe: Retaliation . The film would be the second adaptation of the material, after Gary Goddard’s 1987 film starring Dolph Lundgren, which notably flopped at the box office. Sony Pictures and Escape Artists have attempted to launch the project several times based on a script by Alex Litvak and Mike Finch, entitled Grayskull. Escape Artists partners Todd Black, Jason Blumenthal and Steve Tisch are producing. Although the 1987 film brought the franchise's heroes to Earth, Masters of the Universe takes place on an alternate world called Eternia, where a prince named Adam has a sword that transforms him into the musclebo