I've been playing FFXIV a ton lately and, to a lesser extent, The Secret World. They've been kind of my mainstay games for the last 1.5-2 years, but it's hard to play both at once so I often play one for a long time, and then switch over to the other.
Community is a big part of it for me. My experience with both communities has been incredibly positive; I've even developed a fair number of strong friendships in FFXIV, with people in a guild (first guild since CoH). The worlds in both games are interesting and immersive, with stories and character into which it's easy to become invested. And, despite complaints about TSW's, I love both of the games' combat systems.
That said, I've been missing City of something awful lately. It's hard to describe; I miss it so much that I actually feel it physically. Been listening to the soundtrack, but it's still hard. I can't believe that, going on five years after shut down, I could miss something this much. Perhaps it's time to start writing my CoH stories.
I had tried DCUO and Champions, but neither worked for me. DCUO's public chat was atrocious when I was on (maybe it's gotten better, idk) and my interactions with other players were... not good. It turned me off a lot. Champions just failed to grab any of my interest.