I don't get the impression just from this story that the death in question is supposed to be anything more then a contributing catalyst for this one particular series, and you know what? That's fine, that's good even.
We all know everything goes back to zero at some point or another but that doesn't mean you can't still use death as a way to motivate others or explore ideas. Basically it goes like this, what makes Death and Return of Superman dumb was when they pretended like he wasn't going to come back because of course he was. What makes it potentially interesting however is the idea of forcing people to face a world without Superman, to explore the idea that maybe the invulnerable man isn't, to ask if maybe putting so much hope in one person who might not be able to be there all the time isn't such a good idea? That's good stuff, and you can do all that in the context of /one story/, and then fuck off to whatever the next /one story/ is.
I like the pitch here. Even if the execution was muddled in the first War, the idea that there isn't just One and Only One way to save the world is still just as fascinating as it was all the way back when Rorschach first started being a dick to people. I like the Minority Report argument as an exercise, and honestly I'm surprised it's taken them this long to get there. I like the rebalanced teams, it offers up some interesting complexity in the idea that, yes, Stark can be pro-registration and against arresting people for things that haven't happened yet. Those aren't mutually exclusive. I like that it gives Danvers a chance to step into the spotlight a bit more and explore her morality on the same playing field.
I like these kind of stories because, at least as an idea, they feel more honest somehow. These are the kind of debates that would occur between these people and these are the kind of issues a world like this would face. Ignoring those possibilities just so "Hero fights Villain and saves the day" again feels a bit disengenous, and I like "Hero fights Villain and saves the day"!