Now we get to finally learn about this mysterious individual, though sadly, unlike in the comics, he won’t be fighting Iron Man.
As you’ll recall in Iron Man 3, Trevor Slattery pretended to be The Mandarin while working for Aldrich Killian, but in All Hail the King, Slattery was visited in prison by an agent of the Ten Rings, who planned to bring the drunken actor back to the real Mandarin.