In the last part Ninja Guy and Yoshi went to the forest to train, what happens? find out NOW

Ninja Guy jumped back and forward between fallen trees he chopped down.

Ninja: Oh yeah i am FEELING IT!
Yoshi: I'm surpirsed you haven't felt any backlashes from your injuries.
Ninja: i'm just bad ass like that.
Yoshi: (Rolling eyes) suuure.

Yoshi suddenly jerked his head to the east.

Ninja: I heard it to...
Yoshi: Let's go se-

Then from nowhere a yellow Shy guy came out of a tree and kicked yoshi casueing him to get stuck in a tree.

Ninja: HOLY HELL
???: YOU.
Ninja: yes i am me. but who the hell are you?
???: I am your replacement. i am Ninja Guy MKII
Ninja: oh i've heard about you. you're the sad excuse for a better version.
MKII: you gonna wish you didn't say that.

MKII lunged and Ninja guy and there swords clashed together.

Ninja: oh oh oh somebody's NOT as weak as i thought they were

MKII kicked Ninja away and did a wind blast knocking down all of the trees.

Ninja: Good god you ARE strong. But i'm STRONGER!

Ninja hopped left and right and punched MK and then MK counterd with another Wind blast.

Ninja: STOP SPAMMING THAT!
MKII: i've only been using 0% of my true power. you cannot beat me.

MK flashed in frot of Ninja and knocked his sword away, then pulled of a Close combat.

MKII: you are still weak from your betrayal at Bowser's castle.

MKII picked up Ninja Guy and charged up a death blow.

MKII: Goodbye NINJA GU-

A red and green fireball hit the ground near MKII casuing him to realase ninja guy.

MKII: WHO DARES!?
Mario and Luigi: THE MARIO BROTHERS!