It appears that along with the WWE Universal Championship WWE would be bringing back their old Cruiserweight Title to RAW again.According to PWInsider The Cruiserweight division would be exclusive only for the RAW Roster.It's believed that the winner of the CWC tournament would be wrestling on RAW being a part of Cruiserweight title.
The date of the re-introduction of the Crusier Weight on the red brand is unknown as of now but as of the current estimations we might see the new Cruiserweight Title debut at the live finale of the WWE Cruiserweight Classic on 14th of September from Full Sail University.