There's been too much written about the game to keep track of it all, but I have a particular soft spot for this Variety article. Some other early coverage of interest:
- This Gamasutra piece exploring how different kinds of gamers might be drawn to Facebook by Alliance's new combination of gameplay and story features
- A rundown from Inside Social Games, also focusing on gameplay and Alliance's differences from what's come before in the social space
- A gallery of art and screenshots from SuperHeroHype
If you're digging Alliance, you should also be playing Avengers Initiative, the mobile game Fred Van Lente wrote. The two games are tied together via Marvel XP, and there's more to come...