So? Kamina dies 2 episodes before the start of that volume.
Although they could have just said "suffering a tragic loss" or something to prevent such large spoilers.
At least it isn't as bad as when ADV first put GL on their website, where the description said "SIMON MUST STOP THE MOON FROM FALLING" next to the first episode.
Why are they translating Dan as Team but not Dai as great?
Great Gurren Team would make more sense. Not a big deal, but they should be more consistant...