Avenged Sevenfold will make their live return in August as part of the Rockstar Energy Drink Uproar Festival.It will be the Orange County metallers' first tour since the tragic death of their drummer, Jimmy 'The Rev' Sullivan, who passed away in December.Avenged will coheadline the 36-date trek - which kicks off on August 17 in Minneapolis, Minnesota and concludes on October 4 in Wisconsin Madison - with labelmates Disturbed. Also on the bill are Stone Sour, Halestorm, Hellyeah and Airbourne.