Violent FPS fun. Comprehensive online gaming. Graphics. Nintendo fans are unaccustomed to such things. Ubisoft have them in spades. No wonder Ninty boss Satoru Iwata personally invited Ubi-pres Yves Guillemot to introduce three Wii U titles - Killer Freaks From Outer Space, Tom Clancy's Ghost Recon Online and Assassin's Creed (a working title) - as part of their E3 showing. We talked to the teams to find out what Wii U means from a developer's perspective.