Next week is the San Diego Comic-Con which runs from the 18-21 July at USA Today have just revealed 4 exclusive Super Heroes minifigures to collect. At the moment we do not know exactly how many of each there will be or how to obtain them at the conference.
From DC Comics there will be the Green Arrow and a black-tinged alternate Superman and from Marvel Comics there will be an exclusive Spider-Man minifigure as well as one of Spider-Woman, who is one of the Avengers in recent comics.
The quantities of each minifigure are as follows:
Amazing Spider-Man 350
Black Suit Superman 200
Green Arrow 200
Sounds like they are going to be very hard to get hold of!