Marvel Avengers Alliance (the Facebook game) just added missions that tie in in the ongoing Infinity crossover from the comics. It’s very interesting to see a tie in game running concurrently to the event, really. The characters you can obtain are Black Bolt of the Inhumans, and a mysterious character named Thane, who could be a spoiler for the comic book… Playdom is doing a very good job at keeping the game interesting.
Meanwhile the free-to-play Marvel Heroes game just added a new costume for Emma Frost, based on her current Marvel NOW look. NIce but the game is lacking in lasting life, with not much things to do once you finish the story mode.