I stopped reading Invincible a bit more than three years ago because I wasn't convinced that Kirkman had anything new to say about superheroes. Having read this next volume ... my opinion hasn't really changed. 
 It's a perfectly good hero story with a bit more attention to "normal life" than most, which is a nice twist. But beyond that, it's pretty forgettable. Oh, the multiple dimensions are fun, and the characters are nice, but that's it. 
 There is a wonderful heel turn at the end of this volume which suggests that v20 could be pretty great, but it's not enough to drag this volume up out of mediocrity.