They contain stuff like this, on the back of the Watchmen DVD.
http://postavant.com/2009/08/watchmen-or-why-i-dont-read-my-dvd-cases/
Someone?s killing our super heroes. The year is 1985 and super heroes have banded together to respond to the murder of one of their own. They soon uncover a sinister plot that puts all of humanity in grave danger. The super heroes fight to stop the impending doom, only to find themselves a target for annihilation. But if our super heroes are gone, who will save us?
http://postavant.com/2009/08/watchmen-or-why-i-dont-read-my-dvd-cases/
Someone?s killing our super heroes. The year is 1985 and super heroes have banded together to respond to the murder of one of their own. They soon uncover a sinister plot that puts all of humanity in grave danger. The super heroes fight to stop the impending doom, only to find themselves a target for annihilation. But if our super heroes are gone, who will save us?