We already have Eames and Arther at carvaka but I'm sure your MCU characters would be more than welcome there. The only castmate you'd wind up with is Loki, but c'mon, it's Loki. The pace is medium, and the game is very log-heavy, though the network has been more actively lately. AC is one or two threads per month of either 30 network comments, 10 log comments, or 15 network comments and 5 log comments. There is a bi-monthly smut AC of 10 comments of smut during the current or previous calendar month, but that's also relatively easy to achieve.