It appears fairly apparent to me.
There’s going to be Incursions. A method for Kang to consolidate energy is to set off them, whittling away all of the Rick Sanchez variations of himself that He Who Stays defeated the primary time round till he can dominate one timeline totally.
How do you high wiping out half of all sentient life within the universe? Wipe out all sentient life in A universe. Repeatedly.
