Well, some Superstars asks for their release and some Superstars get released because their WWE contract has expired.
The WWE or its superstars have never released usernames of WWE Superstars or Divas who may have accounts.
WWE Superstars - 2009 was released on: USA: 16 April 2009
WWE Superstars - 2009 1-1 was released on: USA: 16 April 2009
WWE Superstars - 2009 1-2 was released on: USA: 23 April 2009
WWE Superstars - 2009 1-3 was released on: USA: 30 April 2009
WWE Superstars - 2009 1-4 was released on: USA: 7 May 2009
WWE Superstars - 2009 1-5 was released on: USA: 14 May 2009
WWE Superstars - 2009 1-6 was released on: USA: 21 May 2009
WWE Superstars - 2009 1-7 was released on: USA: 28 May 2009
WWE Superstars - 2009 1-8 was released on: USA: 4 June 2009
WWE Superstars - 2009 1-9 was released on: USA: 11 June 2009
WWE Superstars - 2009 6-9 was released on: USA: 28 February 2014