yes
Yes in Dissidia 012 their are more characters and 3 stories with which you can embark on one of which are the original 10 from Dissidia. Also more musical scores have been added along with extra collectibles and summons overall 012 is better because it's basically Dissidia with extra stuff.
No.
Dissidia 012 Final Fantasy - Reports 2012 V is rated/received certificates of: UK:12A (video)
No, he is not. His appearance has also not been announced for the prequel to that game, Dissidia 012 Final Fantasy.
yes maybe it will be on MARCH
Dissidia 012 - REPORTS Full Version 2012 V SUSPENDED is rated/received certificates of: UK:PG (video)
first go to 023 and beat gigls
Cloud is already unlocked in the beginning of the game. If you have a saved data from the original Dissidia, all characters you've unlocked will be unlocked on Dissidia 012.
Dissidia FF 012 would be better because it's the sequel to Dissidia FF. It includes all the characters Dissidia FF has and more, as well as new costumes, new stages, and the ability to play as the Chaos characters in story mode. Dissidia only let you play as the Cosmos characters in story.
March 22nd.
By progressing through the story, Reports will be unlocked on the way.