Question: In the video game Batman: Arkham City Lockdown which villain returns from the dead? 
Context: The Arkham Knight is a fictional supervillain appearing in American comic books published by DC Comics, and is the titular character in Rocksteady Studios' video game "".  The persona first appeared in "Batman: Arkham Knight" #1 (February 2015).  He later received his own 6-issue miniseries "Batman: Arkham Knight GENESIS", with #1 released on August 26, 2015. Solomon Grundy is a fictional character, usually depicted as a supervillain in the DC Comics universe and an antihero in the DC animated universe.  He was originally depicted as a murder victim brought back to life as a corporeal revenant or zombie, though subsequent versions of the character have occasionally depicted a different origin.  Named after the 19th century nursery rhyme, Grundy was introduced as an enemy of the Golden Age Green Lantern (Alan Scott), but has since become a prominent enemy for a number of superheroes such as Superman and Batman.  He also has ties to Swamp Thing. Batman: Arkham Origins is a 2013 action-adventure video game developed by WB Games Montréal and published by Warner Bros.  Interactive Entertainment for Microsoft Windows and the PlayStation 3, Wii U and Xbox 360 video game consoles. Based on the DC Comics superhero Batman, it is the successor to the 2011 video game "" and is the third main installment in the "" series.  It was released worldwide on October 25, 2013. The "Batman: Arkham City – Original Video Game Score" was released on October 18, 2011, by WaterTower Music.  The album features 19 tracks composed for the game.  Ron Fish and Nick Arundel, composers for "Batman: Arkham Asylum", returned to write music for "Arkham City". Batman: Arkham Knight is a 2015 action-adventure video game developed by Rocksteady Studios and published by Warner Bros.  Interactive Entertainment.  Based on the DC Comics superhero Batman, it is the successor to the 2013 video game "", and the fourth main installment in the "" series.  "Arkham Knight" was released worldwide on June 23, 2015 for PlayStation 4, Xbox One and Microsoft Windows. Batman: Arkham City is a five-issue American comic book limited series written by Paul Dini, drawn by Carlos D'Anda and published by DC Comics.  It bridges the storylines of "" and "". Batman: Arkham City is a 2011 action-adventure video game developed by Rocksteady Studios and published by Warner Bros.  Interactive Entertainment for the PlayStation 3 and Xbox 360 video game consoles, and Microsoft Windows.  Based on the DC Comics superhero Batman, it is the sequel to the 2009 video game "" and the second installment in the "" series.  It was released worldwide for consoles, beginning in North America on October 18, 2011, with a Microsoft Windows version following on November 22. Batman: Arkham Origins Blackgate is a 2013 2.5D video game developed by Armature Studio and released by Warner Bros.  Interactive Entertainment for the Nintendo 3DS and PlayStation Vita handheld game consoles. Based on the DC Comics superhero Batman, it is a companion to the 2013 video game "", and is a part of the "" series.  It was released worldwide on October 25, 2013, with the Nintendo 3DS version releasing in Europe on November 8, 2013.  The game was released in Japan on December 5, 2013, same date as "Arkham Origins" for home consoles, exclusively for the PlayStation Vita. Batman: Arkham VR is a 2016 virtual reality action-adventure video game developed by Rocksteady Studios and published by Warner Bros.  Interactive Entertainment for the PlayStation 4 and Microsoft Windows.  Based on the DC Comics superhero Batman, it is a part of the "" series and the first installment to use virtual reality headsets, allowing the player to experience the game world from Batman's perspective.  "Arkham VR" was released worldwide on October 11, 2016 for the PlayStation 4 and on April 25, 2017 for Microsoft Windows. Batman: Arkham City Lockdown is an action-adventure video game developed by NetherRealm Studios and published by Warner Bros.  Interactive Entertainment for iOS and Android.  The game is part of the "" series, and was released on December 7, 2011 for iOS and June 26, 2013 for Android.  Taking place before "", the game sees players using touchscreen controls to fight enemies one-on-one, including villains such as Two-Face, Solomon Grundy, the Joker and Deathstroke.  Defeating enemies earns points that can be used to upgrade Batman's stats or unlock gadgets or costumes.  The game features integration with Game Center.
Answer: Solomon Grundy