I’ll see you up on the roof in five minutes.
In the opening to the film, a flashback to the New Year’s Eve 1999 party at a tech conference in Bern Switzerland uses the exterior of the Bellevue Palace.
Celebrating New Years Eve 1999 at the 2000 Millennium Tech Summit, Tony Stark ignores the geeky Aldrich Killian in favor of the lovely Maya Hansen. The Miami Beach Resort & Spa served as the interiors for the Hotel in Bern.
(Iron Man 3, 2013)