Odin has Returned on Final Fantasy XIII-2 Fighting Chaos Bahamut and Brynhildr Might Come Back on FFXIII-2 so is Shiva and Alexander and Hecatoncheir will be Back too and Ifrit might be Summonable so is Ramuh and Siren might be Summonable on Final Fantasy XIII-2 as well and Gastalt Mode Might Be back on FFXIII-2 just like Odin has Transformed in to the Horse.