Why Disney did not take the co-production route for Iron Man 3 is something of a mystery; co-production would have entitled Disney to a bigger share of the Chinese box office—25%, according to the Hollywood Reporter.
Since Iron Man 3 is doing record box office in the PRC, a certain chunk of change has been left on the table by Disney.
The director begins to learn that much of what the Mandarin says is contradictory and false with photos from this time staged (it is hinted that the Mandarin had used one of his own rings to make himself believe this tapestry of half truths) and discovers a different tale of the Mandarin's origins: The Mandarin was the son of a opium den prostitute who went on to become a powerful underworld figure before discovering the Ten Rings of Power in an alien craft …
Angered at the Mandarin holding his wife hostage, the director shoots the movie as he wishes not as the Mandarin dictates. The Mandarin denounces this telling of his past as lies and angrily destroys the cinema in which it was being shown, before having the director killed.
Later he regrets murdering the director, noting that he really did love his films.
Maybe that's why the Avengers seem to be fighting with Yili milk, instead of drinking it.