From the release:
HeroClix fans will be able to have their Punisher become the Sorcerer Supreme, or Daredevil join S.H.I.E.L.D. in ways never before possible on the HeroClix tabletop! What if heroes become villains? What if someone new gains powers? Answer these questions and more by visiting your FLGS to join in the HeroClix 15th Anniversary events and open some Marvel HeroClix: 15th Anniversary What If? Boosters!
Stores are not limited on purchasing this SKU in the same way that Storyline Organized Play Boosters are.
With 50 figures to collect, Marvel HeroClix: 15th Anniversary What If? is sure to be on many HeroClix players’ wish list.