I think the UFC should offer Fedor a one fight contract against Lesnar to prove whether he can take the title. If he wins, Fedor gets his way, if he loses he is obligated to another 4 fights in the UFC.
Of course the money arrangements will need be favorable to Fedor.
As for the M1 thing, I think it is a lot to ask to have a co-event with them. Fedor Inc. should prove his worth in the Oct before he asks for them to bend around all his demands. Here I though Dana had an ego