I first must confess I haven't read any of the original books or the first graphic novel in this series.
However, I found this to be a great graphic novel, that is both fun and silly and at the same time very literate and self-aware. It includes lots of meta references poking fun at itself and the genre. It also contains lots of intertextual and pop culture references ( e.g. Jaws, J'accuse, Lord of the Rings, 2001 etc.) that sophisticated readers will enjoy spotting.
The plot revolves around a self-aware computer who becomes annoyed he is not getting credit for the dastardly schemes he provides for various villains. So he becomes a super-villain himself, and it is up to our heroes to defeat him.
Now, Jack, June, Quint, and Dirk’s sequel has our superheroes in a chaotic, puzzle-filled race across Apocalyptia to stop the evil super-villain, How will they defeat the never-ending stream of villains and figure out who is behind the chaos? And will the sequel be finished in time? Join them and find out!