http://www.gametrailers.com/user-movie/evolution-of-heavenly-sword/89494
2003:-- First Trailer shown as an Xbox Exclusive (before 360 release)
2004:-- Second trailer shown was for 360 withnew artwork:--
2005:-- E3 2005, sony surprizes Fans by announcing Heavenly Sword will arrive for, and only for the Playstation 3 with a complete overhawl on the graphics engine, Ninja theory switched platforms due to technical limitations of the 360.
2007:-- Release Period for Heavenly Sword, one of the most well reknowned games this Generation.
Early 2008:-- Heavenly Sword 2 announced with no concept or trailer, but for both consoles.
Mid 2008:-- HS2 re-announced as PS3 Exclusive
late 2008:-- HS2 cancled due to eternal struggles of power, leaving the IP in Sony's hand...no planshave been announced on its future.
Will we see the sequel?
...uhh...ill just put my favorite quote of all time here.
"Welcome to Pain, the second of three...You have dealt the first...now deal with me!!"