5 kages win this.
Tsunade and onoki could hold crippled nagato,tsunade can tank ST wth rebirth,he can fight nagato cqc,she can also hit the ground to undalance nagato,she uses taijutsu,which means no preta path,all she has to worry abt is huma path,which is where onoki comes in,she managed to hit ems madara,so hitting nagato isnt impossible,katsuya is impervious to physical force and her little clone has tanked CT itself and CST as well as protect people by wraping around them,and if she gets in trouble,then onoki would just use his rock techs to attack nagato,onoki isnt making rocks from his chakra when there is rock around him,he will manipulate the rock,so that nagato cant absorb it,onoki's flight will keep him away from nagato while he attacks with rock techs and immobilises that dog with his added weight tech,or simply have his rock clones do that with the dog and using jinton only when necessary,those rhino summons alike are shot clean by tsunade,sakura killed a giant centipede with a punch,tsunade would easily handle those summons with help from a rock/sand clone,CT is destroyed by jinton,and if nagato throws that thing into the sky,he is leaving himself open for tsunade who will blow his upper body apart with a punch,and onoki would make him far too heavy to move before he regenarates while a sand clone could seal him. Km Naruto and killer b's techs depend too heavily on their bijuu chakra/ninjutsus chakra which is why they werent much of a match,rasengan,v2 shroud,kyubi mode shroud,rasenshuriken,etc.
Itachi then takes on gaara,A and mei. A and gaara have no probs with ama,they have their ways of avoiding genjutsu,mei just needs to stay close to gaara and would just put up a mist around itachi while gaara uses his sensor sand which is also used in the air as well to pinpoint his location and attack him,ms jutsus are very effective on one person,but when fightin many at once,it becomes difficult,itachi might be an edo,but his susanoo has a big hole underneath,which gaara can easily take advantage of
using his sand sensing to find itachi,he can simply attack from above with his sand hail from above,whil the raikage attacks from behind in v2,the susanoo will have to block those attacks,then he can easily attack from below his feet in an instant
You must be registered for see links
he can also attack itachi if he tries to move in his susanoo while defending at the same time,he was able to catch 3 kages at once,and itachi's susanoo wont really help him as he is already inside,or he could just bury itachi while he is inside the susanoo
You must be registered for see links
.
I say 5 kages high diff.