Adding to the praise.
I originally thought "the door" was more symbolic ... but it seems now it's more than that, a literal door. The idea that it's impacting the other "hulk related" heroes is interesting; something changed and Hulk's not the only hero who can die and come back. Mix that in with the two guys breaking out into a fight and you got yourself a real mystery. It may also be coincidence, but it plays wonderfully with something Dr. Strange told banner so long ago:
Sasquatch mentions Tanaraq coming from another realm ... Strange once said Hulk's power comes form this other realm which wants to break in and can end ... everything. These two older tales play perfectly into "the door". There's just a lot to peel back, I'm enjoying it so much. Mix in Hulk's new powers being clearly gamma based, banner being a long for the ride almost like he himself is trying to figure the Hulk out despite living with it for so long ... this is just. so. good.
Art wise the colors have been wonderful and Mounts deserves tons of credit, though Bennett has been strong as well. Characters read like characters and not like flat dialog, Ewing is on it.
At this point I simply want this team working this book for the next two years like Marvel did for Mighty Thor ... my heart won't be able to handle if everything changes after the first arc.