Yep, that’s right. Someone out there is going to win a Grand Prize of a pair of The Amazing Spider-Man 2 premiere tickets with airfare and hotel expenses paid for.
There’s a bunch of other prizes as well, including signed concept art, a T-Shirt, a camera, etc.
Of course, the cost is for you to become a Spider-Fan and share the news to everyone else! That’s how you earn points and you get more chances of winning stuff.