Today's Nintendo Direct announced ongoing developments for Splatoon. A total of over 40 pieces of gear have been announced which wil be available today beginning at 5PM Pacific. A new stage, deemed Museum D'Alfonsio, will be released via an update tomorrow at 6PM Pacific time.
In addition to these updates, a new "Splatournament" has been announced. The details on this were slim but Nintendo promised more information will be coming soon. Take a look at some of the screen shots below.