Police have now confirm that the body discovered in Totton this morning is that of a man in his 30s.
The death is not being treated as suspicious and a file is being prepared for the coroner.
Emergency services were called to the Asda car park in Maynard Road, Totton, at 2.20am. A Hampshire Constabulary spokesman has now confirmed that the body of a 35-year-old Gosport man was discovered at the site.
Officers attended the scene and a cordon was set up within the car park.
The store opened as usual at 7am and there is access to the car park for customers.