Along with the recent announcement of God of War III Remastered for PlayStation 4 (which you can preorder with this link), Sony will also be releasing a new selection of God of War t-shirts in the near future. You can check out the images of the new shirts, which are available for preorder on PlayStation Gear shopping website, the below this paragraph.
The new designs are called Blades in Balance, Grudge Match, Hope is for the Weak, Red Spartan, Spartan Crest, The Marked One and War. Each of these t-shirts are available in Small Medium, Large, Extra Large and Extra Extra Large sizes. The items have an estimated shipping date set for the 3rd of April.
SCE Santa Monica Studio recently celebrated the tenth year anniversary of the God of War franchise. With the above-mentioned new t-shirts and God of War III Remastered, it appears that the development team may be continuing the brand in the future.
Cory Barlog did briefly mention that they are working on a new game in the series at PlayStation Experience before retracting his statement. He previously directed God of War II, which is still considered by many to be the best installment of the entire series. Based on the recent announcements surrounding the brand, it is possible that we could see his project at E3 2015.