The single-player campaign video showcases the game's combat and enemies.
Taking place in a variety of locations, the trailer focuses on the combo system, and features a number of traditional God of War execution moves.
Announced in April, the title sees Kratos break free from Ares's bond and begin his path to avenge his family.
The upcoming sequel will be the first entry in the series to include multiplayer support.
Up to eight players will be able to take part across a variety of game modes and customise their characters based on personal preferences.
God of War: Ascension's release date was announced during Sony's E3 2012 press conference.
The PlayStation 3 exclusive will make its debut on March 12, 2013.
Photo gallery - God of War: Ascension: