I'm not reviewing Superman 684 - it was great, but most issues written by James Robinson are great; a post-New Krypton story it featured a teasing focus on the Parasite (I think he's pining for his time as Lex Luthor's loving Lois), a rallying call from the Guardian and the eschewing of grammatical contractions by Mon-El.
The art by Jesus Merino was a particular treat, with the creepiest-looking Parasite ever. But what really drew my attention was his art on the closing sequence, featuring Trusting Fool Superman visiting Wicked Aunt Alura on New Krypton (click for a non shrink-ray view).
Now, I'm no expert, and I'm not positing any deliberate swiping here, but boy, is Merino channeling his inner Keith Giffen or what? WAA could easily fit in with the Five Year Gap Legionnaires below.* I doubt KG would be upset, given his Marvel days homaging Kirby and later acknowledged debt to Jose Munoz.
* Ayla, Andromeda and Kono borrowed from Mike Jozic's Keith Giffen Resource Page - go visit! http://www.mikejozic.com/giffrespage/index.html