He appeared just in the bigging. The king of the sea who has many sea creatures under his command.
In GOD 4 the god who has been the biggest annoyance to Kratos was none other than Baldur son of Odin and brother of Thor .
Up till now Thor has not appeared in God Of War 4 but in a trailer his hammer Mjornir was shown hinting at his soon appearing in GOD and as the princeof greek god he will a opponent worth fighting.
The rank 2 whose identity and powers are still unknown.just we know that he is the biggest genius in technology on Earth.
The king of the olympian god and father of Kratos for whom to defeat it took Kratos three god of war games .
Out of all the charcters on this list Kratos is the strongest as the main charactre and the person who had defeated all of them.