So, methinks Vulcan's been on a plot-needed powerup this event. If he isn't, he's about to get his ass handed to him. But I think he is, as it would also explain the thorough trouncing of Warlock in Guardians, and the upcoming final issue.
Minimal tie-ins (you really only need GotG to follow everything), and a solid plot. This event still has my approval. It's not great, but Marvel's cosmic stuff has been good for some time now. Thinking back to Starlin's old stuff, I can't remember a period where Marvel's cosmic stories weren't good. Much (much) more consistent than Marvel Earth.