Legendary Deck Building Game Marvel Dark City Expansion

Why would you buy this expansion for Marvel Legendary? Two main reasons: it adds variety and difficulty.
Variety: There are 17 new heroes to play which adds a lot more combinations to the game. The base set only has 15 heroes, so it’s a big step up. It includes more X-Men such as Professor X and Jean Grey, X-Force such as Cable and Colossus, and Marvel Knights such as Punisher and Ghost Rider. There are also 5 new masterminds and 8 new schemes.
Difficulty: The second reason is that it adds difficulty. The core game is relatively easy; the heroes seldom actually lose. With Dark City, both the Schemes and the Masterminds are harder. Masterminds have higher attack, and each time the heroes attack them, the tactics cards punish you further instead of helping you.

A third, less critical reason is the Advanced Solo rules which are included in this set. Advanced Solo play is great for.... solo play. These rules are much better than the solo rules in the core set, and they are what is used in online league play. I say less critical though, because the publisher has made the rules available online, and they can be used with any Legendary sets, there is no physical product in this set necessary to play Advanced Solo.