<P> Wrath of the Titans is a 2012 3D epic action adventure fantasy film that is a sequel to the 2010 film Clash of the Titans . The film stars Sam Worthington, Rosamund Pike, Bill Nighy, Édgar Ramírez, Toby Kebbell, Danny Huston, Ralph Fiennes, and Liam Neeson, with Jonathan Liebesman directing a screenplay by Dan Mazeau and David Leslie Johnson . Wrath of the Titans takes place a decade after the events of the preceding film as the gods lose control over the imprisoned Titans (thanks to humanity's lack of prayers which also is draining their immortality) and Perseus is called, this time to rescue his father Zeus, overthrow the Titans, and save mankind . </P> <P> Talk of a sequel began with the release of Clash of the Titans in March 2010 . Scribes Dan Mazeau and David Leslie Johnson were hired in June 2010 and director Jonathan Liebesman was brought on board in August 2010 . The majority of the casting took place between January and February 2011 . Principal photography began in London in March 2011 . Like its predecessor, the film was converted to 3D in post-production . Wrath of the Titans was released in 2D and 3D on March 30, 2012 in the United States . The film received widespread negative reception from critics and grossed $305 million worldwide . A sequel entitled Revenge of the Titans was planned for a 2013 release, but was cancelled due to the two films' critical failures and too few ideas for the script . </P> <P> Perseus (Sam Worthington), a son of Zeus (Liam Neeson), lives as a fisherman after the death of his wife, Io (portrayed by Gemma Arterton in the previous film), with his young son, Helius (John Bell). Zeus visits Perseus and asks for his help, saying that humans are not praying to the gods and as a result the gods are losing their power and becoming mortal . They can no longer sustain the walls of Tartarus which are crumbling, and the imprisoned Titan Kronos will soon be free . Perseus, valuing his family's safety, refuses to get involved . </P> <P> Zeus meets his brothers Hades (Ralph Fiennes) and Poseidon (Danny Huston), and his son Ares (Édgar Ramírez) in Tartarus . He asks Hades's help in rebuilding Tartarus's walls, but Hades rejects the offer and attacks Zeus . Ares betrays Zeus, imprisoning him and stealing his thunderbolt . Hades and Ares plan to make a deal with Kronos: in exchange for remaining immortal, they will drain Zeus's divine power to revive Kronos . The walls of Tartarus break, unleashing monsters onto the world . </P>

What happens to io in wrath of the titans
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