TMZ/Getty/Alamy James Gunn 's new DCU has yet to see the light of day -- and shedding the old guard is proving brutal ... both at the box office and on Twitter, where it's all Zack Snyder all day. First, there's 'Shazam 2' -- which just hit theaters this weekend, and is already off to a tough start with a projected $30M domestic opening ... one of the worst for any DC movie. Remember, Zachary Levi 's future in Gunn's world going forward hangs in the balance ... and you gotta imagine that his film here (part of the former DCEU) bombing doesn't bode well. There might be more growing pains for Gunn and co. before they can get to their actual new slate -- which will start with "Superman: Legacy" in like two years. DC has yet to release 'Aquaman 2' and "The Flash" ... both of which were completed before Gunn came on. Time will tell how those do, but for now ... 'Shazam 2' ain't paying off. In the meantime, Snyder fans are celebrating the two-year … [Read more...] about ‘Shazam 2’ Off to Bad Box Office Start on 2-Year Snyder Cut Anniversary