Two identical Rolls-Royce Phantoms, built especially for the film, were destroyed during filming.
The video footage of the Press conference where Tony revealed he was Iron Man was not the same footage seen in Iron Man (2008). Tony was holding blue cue cards when he said he was Iron Man. In this footage, he was not.
Alternate Versions
The mainland Chinese release obscures Vanko's nationality by reversing all Russian references on the soundtrack. For example, the word "Russia" comes out as something like "Ashar", and "Siberia" as "Ayuribias". The subtitles and the Mandarin-dubbed version simply delete these references altogether.