Every year at San Diego Comic Con Lego releases exclusive sets you can only get at the event.
The sets are limited and go up in value very quickly. After the Con sets like these sell for hundreds of dollars.
This year Lego is slowly releasing their sets for SDCC 2017.
And it looks like they are all going to be Lego Brick Headz.
There have been rumors of other characters as well. Last year there were Dr. Strange, Black Panther, Wonder Woman, Super Man, Batman & Joker sets as well.
So keep your eye on the Lego Facebook page as they are releasing more news every day!