Is there some place I can find recommendations for good teams that keeps up to date with all these changes they keep rolling out? Seems like the teams I spend all this time building become shitty each time there's an update.
I'm going to assume you mean Thor+Wolverine. They are both still strong, but they can no longer muscle out other teams by themselves. You can still use em, just not really on the same team anymore.
Currently, I think it makes most sense to build around a support character. For 2-stars, that's either obw or c.storm.
Obw + Wolvie, Ares, Daken...
C.Storm + Thor, Mags, Daken...
For 3-stars, Spidey + whoever really. C.Mags is obviously very strong, but I think post-nerfs, Spidey will be more useful due to his support role. In the end, Mags is just damage which is interchangeable. No other 3-star can heal, stun or lay down protect tiles (new Black Panther has protect tiles though; DD can stun but quite frankly not very well).