Manga News: Check out this week's new manga (10/13/14 - 10/19/14).
Forum News: The nomination phase of the Community Awards 2014 is live! Visit new sections for Nisekoi and Kingdom!
The only way I can see Ulquiorra coming back is in a flashback. Unlike Grimmjow, who was Ichigo's rival and wanted to kill him as a proof he is the stronger one, Ulquiorra's only purpose was serving Aizen. Now Aizen is gone, imprisoned in the Soul Society. What would Ulquiorra do if Kubo brings him back? On the other hand, Grimmjow's conflict with Ichigo remains unresolved, so it makes sense for him to reappear.
---------- Post added at 07:19 PM ---------- Previous post was at 07:15 PM ----------
but seriously, regardless of love afairs wich kubo doesnt even develop, ulquiorra has a good chance of being a hollow, no, a menos, that managed to recover his heart (and is much cooler then grimjow), if i am right about the heart thing then he could make a major diference for the plot in this arc that is suposed to explain everything, also he was the only character that developed interactions with orihime that i liked, and i think they hold good future potential too.