Marvel United: Return of the Sinister Six

Marvel United: Return of the Sinister Six features villains Doctor Octopus, Electro, Kraven the Hunter, Mysterio, Sandman, and Vulture, and this expansion offers a gameplay experience like no other through its "Sinister Six Mode" in which you get to play against all six of these villains together!

Marvel United: Return of the Sinister Six Kickstarter Add On to Marvel United Kickstarter.

https://www.gaminglib.com/products/marvel-united-with-infinity-gauntlet-kickstarter-pre-order

THIS IS A KICKSTARTER EDITION