This is coming from Mazda Canada where they seem to suggest this is coming next year to the CX-30 and CX-5. This is different from the CX-50 hybrid which is based on the Toyota Hybrid system and is coming in 2024. The MHEV will likely be the SkyActive G hybrid that is available in Europe with both the 2.0l and 2.5l.
en.media.mazda.ca

Mazda Updates Electrification Plans for Canada
Nine Electrified Models in Canada by 2025; 100 Percent Electrified Lineup by 2030 RICHMOND HILL, ON, Nov. 22, 2022 /CNW/ - In the summer of 2021, Mazda communicated a global update for our future...
two core crossover models will also include mild hybrid (MHEV) powertrains for increased efficiency and improved emissions.