Lol @ "BBS MX is hardly a threat
Whoops Terra, Aqua and Vens ass without even using his keyblade..
Lol yup moves ciffs with his hands...thats not a threat. Freezes Ven with one hand, defends against Terras attack with one hand and then overpowering him while Terra is struggling, MX is smirking and then orders Vanitas to kill Aqua and forge the X Blade
Lol. MX is the strongest keyblade wielder in the series. Hows that not enough of a threat???
Btw MX is the leader of Organization XIII. The leader is the strongest. So no i highly doubt MX in his prime is one of the Xehanorts, especially because they already have a Xehanort whose in his 20s-30s. Ansem SoD, and Xemnas
Your ur argument is extremely valid but still the trio did never fight him together ( i mean in a 3 vs 1 and still i don't know Who would have own in that case ). I actually don't know if BBS X can hold on 7 people alone ( presuming that the other darkness vessels will die during the battle.