Dan may have never made it to the Mexico premiere due to overzealous fans and security issues, but while in the country he did do some promotion for What If and still turned up to introduce the film, skipping the red carpet fanfare. He did a photocall (images here, here and here) and took to Google+ in a sombrero to apologise to disappointed fans(image left). He filmed a segement for tv show El HormigueroMX and we are looking for footage, while some images here and here.
In the meantime, below is some footage of Dan at the photocall:
And below that is some footage from the screening:
There is a video below of Dan talking to fans from a balcony:
Lots of text interviews can be read at the links below: