The nightmare of minifig collectors has just (re) begun with the announcement of one of the exclusive minifigs that will be distributed during Comic Con in San Diego: It is Sam Wilson, ex-Falcon who takes on the costume of Captain America in the devastating crossover Secret Wars.
Like every year, these exclusive minifigs will be distributed through a draw.
For everything else, there is eBay where a few sellers already offer SDCC exclusives for pre-sale ...
Update : The second exclusive Super Heroes minifigure would be that of the character of Roy Harper (Arsenal / Red Arrow) seen in the TV series Arrow ...
(seen on USA Today)