Well,then the kages have much to work with,gaara can use the sand in the area to fight itachi, sm kabuto is tricky,but without edo tensei,he looses. His white rage is irritating,but not fatal,the raikage and tsunade with rebirth can withstand it and attack him while the others recuperate,onoki can stay on A to increase his speed and allow him keep up with kabuto,mei can use her larva to help as well to distract him while tsunade hits him,larva torret can melt those bones and webs,gaara can make sand clones to help out with his fight against itachi,totsuka wont breach his defence,gaara can attack him from below like he did to those kages and attack him inside his susanoo,his sealing techs are very quick.