Despite her character's fate in season 1, Krysten Ritter is set to return in Dexter: Resurrection season 2.
Per a press release, Ritter is set to return as a guest star in season 2 after her "fan-favorite character, the vivacious and voracious Lady Vengeance (Mia Lapierre), met her demise while in prison." The nature of her demise has been a massive debate amongst fans, as the season finale gives us a teeny tiny detail that she may have faked her death.