Shang-Chi: New Footage Revealed in Marvel Phase 4 Sizzle Reel Marvel Studios reveals a special look at Shang-Chi and the Legend of the Ten Rings in a Marvel Cinematic Universe Phase 4 sizzle reel featuring new footage from the kung fu actioner hitting theaters on September 3. Just weeks after releasing first-look photos of star Simu Liu suited up as master martial artist Shang-Chi and an action-packed trailer that revealed Hong Kong icon Tony Leung as the real Mandarin, Marvel on Monday premiered another sneak peek from Eternals and title drops for Ryan Coogler's Black Panther II and Nia DaCosta's superhero trio team-up