It's entirely possible that SE worked with Sky mostly to see if there was indeed viability to release an English localized version; it's also likely that once SE saw that there was a good market for it, they thanked Sky for the group's work and informed him they would be proceeding with a Western release after all-… » 7/21/14 4:12pm Monday 4:12pm

He does. He "I Am Groot"-ed a bunch of times during the IMAX preview scenes, and it included Rocket explaining why that's all he can say (in fact, Rocket's explanation was a lot like Maximus's explanation). You have to hear him to believe it- he nuances that phrase into everything from quizzical to commenting to… » 7/21/14 12:24pm Monday 12:24pm