What If Certain Godly Figure Are In The New World (I Own Nothing)

On Ragnarök, prophecy foretells that the Aesir and the Jötnar will do battle against each other for mastery of the Yggdrasil. It is also foretold on that day that the battle between Thor Odinson and Jörmungandr Lokisson will shatter the branches of the World Tree, sending its sundered limbs adrift into the river of time, into the worlds of strange powers never before seen.

There is a war coming in the world and it takes two gods and a certain overlord to stop it can they work together or fall apart ( canceled)