WizKids will release Marvel HeroClix: Avengers Assemble on May 6, with three SKUs: the Booster Brick and two Dice & Token Packs.
The Marvel HeroClix; Avengers Assemble set will feature past and current members of the Avengers as well as classic Avengers villains.   This release will tie into the upcoming Marvel HeroClix: Age of Ultron Storyline Organized Play event planned for Summer 2015. 
The Avengers Assemble Booster Brick will contain 71 figures to collect including sub-themes of Avengers Academy and Avengers Arena.  There are 15 different Avengers ID Cards randomly inserted into boosters.  The rarity breakdown is:  16 Common figures (plus one Prime figure), 16 Uncommon figures (plus one Prime), 16 Rare figures (plus one Prime figure), 12 Super Rare figures (plus one Prime), and 7 Thematic Chase Figures.
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The Avengers Assemble "Captain America" Dice & Token Pack and the Avengers Assemble "Iron Man" Dice & Token Pack will each come with two custom dice featuring the Avengers logo and six action tokens featuring members of the Avengers team.  The Captain America pack contains Captain America, Thor, Hawkeye, Black Panther, Captain Marvel and Falcon; while the Iron Man pack contains Iron Man, Hulk, Black Widow, Vision, Wasp and Ant-Man.  MSRP is $9.99 each.
The Release Day Organized Play Kit will include three limited edition HeroClix Pym Particles 3D Objects, five 2-sided maps (Avengers Compound, Arcade’s Arena), and an instruction sheet.  Stores are limited in the number of OP Kits they may order from their distributor based on cumulative cases of product ordered, with no more than three OP Kits per retail store.
This set will follow the Marvel HeroClix: The Avengers Quick-Start Kit which releases on May 2 (see "'Marvel HeroClix: The Avengers Quick-Start Kit'").