" @hitsusatsu11: I didn't say full power, Michael Korvac isn't Galactus and it is logical that Hercules survived the blasts because he was at a near-death state afterwards and Hercules is ridiculously durable. Weapons that were made to kill him haven't even worked on him. Well Moon-Busting attacks backing up something with the power of Mjolnir is bound to be devastating. I didn't say it would hurt Goku but him trading blows with Juggernaut will simply have him being overwhelmed once Juggernaut's attacks start taking effect. Ki will not work as magic, it is a life-force not magic. Goku would have to be as skilled as Thor is when using spells etc. which he clearly isn't and he has never been shown negating mystical energies so I won't assume that he can. Removing Juggernaut's helmet is difficult and I don't think it will be as easy as it seems. At full power Juggernaut's punches have ripped through dimensions. He can tank any of Goku's attacks unless Goku somehow miraculously becomes more powerful than Cyttorak. ND "
Plus,due to personality of goku, Juggernaut wins here easily. (Goku soon begins to attack with physical attacks and Ki blasts see the fights against Frieza / Cell / Buu).
A fatal mistake.