Galactus at full power and Silver Surfer with Annihilation upgrade and Classic Dr Strange(goes into battle with shields up) vs Z Warriors and Justice League
GL(Hal Jordan AND John Stewart)
Batman(2 weeks preperation)
Ion(Yat, just adding him because I can)
Superman Prime(not 1 million)
Onslaught(at full power) with Time Gem, Power Gem, Space Gem, and Reality Gem
Z Warriors Cast
Goku(able to access SSJ levels 1-4)
Vegeta(able to access SSJ levels 1-4) Goku and Vegeta can fuse by either using the fusion dance or potarra earings
Trunks(able to go SSJ2)
Goten(able to go SSJ2) Goten and Trunks can also fuse
Gohan(Ultimate, or Mystic, or whatever you want to call him, and he can go SSJ2)
Piccolo(at his strongest)
Uub(or Majuub, whatever people call him)
Janemba(for shits and giggles)
Omega Shenron(can make 3 wishes)
Super Buu(Gohan, Piccolo, Goten, Trunks absorbed)
If Goku and Vegeta were to fuse via Portarra earrings, then Vegtio can go SSJ4
Same for Goten and Trunks(although their fusion isnt by portarra earrings) Gotenks can go SSJ4 and can stay in fusion form for an infintie amount of time.
Fight takes place on Yadrat, Z Warriors have a supply of 140 sensu beans(which they will most likely share with the JLA members) dragonballs are in possesion of Galactus and Silver Surfer, if the Z Warriors and JLA can get them, they can use them. Fight is to the death, who wins?
Cant be a stomp now.