After the fight with first it being king kong

and now mechagodzilla. Then godzilla and king kong defeat mechagodzilla, godzilla takes a 

break and goes under the ice below the surface

but then...

Kong finds out that he is not the last of his kind but he sees that his species is being controlled then he they get in a fight and Kong's arm gets injured so he gets godzilla to help

Then kong tries to get Godzilla to help with the scar king, Kong and Godzilla fight until Godzilla decides to help

While Kong was getting help scar also got help

Then the fight begun

Godzilla and shimo keep fighting then shimo transforms...