It was previously rumored that Asuka could make her main roster debut at or around the TLC PPV on October 22, which is a Raw PPV.
PWInsider is now reporting that according to multiple sources, the current plan for Asuka is for her to be part of the Raw brand.
WWE said that Asuka suffered a broken collarbone during her match at NXT TakeOver on August 19, and that she would be out for 6-8 weeks, which would mean that she would likely return some time in October.
WWE is also apparently planning to air a WWE Network collection of Asuka matches in October to hype her up.