Location #1: Desert
In and around Alabama Hills, California, United States
Location #2: Tony Stark’s mansion
It was CGI-generated and never existed, but if it did, it would stand at Point Dume, Malibu, California, United States
Location #3: Stark Industries
Edwards Air Force Base, near Lancaster, California, United States
Location #4: The Red Carpet
At 111 South Grand Avenue, Los Angeles, California, United States