(After dealing with Fuzzy Lumpkins, Albedo and Charmcaster, the group moves to the fourth floor in Aku's palace.)

Raven: Any idea about who we'll be facing next?

Y/N (A.Optimus): Considering that we already defeated Fuzzy Lumpkins, I guess our next opponents will be the Rowdyruff Boys.

Blossom: I bet they're extremely pissed about what happened. 

Buttercup: Just what's to be expected from those crybaby boys, since that big brain created them.

Aqualad: And who else shall we be facing?

Y/N (A.Optimus): It's possible that Aku will send Scaramouche the Merciless. 

Ben 10: I wonder if he's tougher than Albedo and Charmcaster. 

Gwen: He IS, Ben. He's one of the most formidable opponents Jack has ever faced.

Y/N (A.Optimus): But I have faith that we will beat them as long as we work together. 

Steven: That's the spirit.

(Then a magic sword comes out of nowhere, and Shaggy notices it.)

Shaggy: Hey, Scoob. This sword sounds very familiar, my son.

Scooby: Yeah, familiar.

(Then they grab the sword, and suddenly they become samurai.)

Shaggy: Scoob, you're a samurai.

Scooby-Doo: You too.

Fred: It was really a familiar sword, Shaggy. It's the Sword of Fate.

(Then Y/N shoots a pillar, and then the Rowdyruff Boys come out of it.)

Brick: Impossible.

Boomer: How did you find us?

Butch: What stupid question, Boomer!

Y/N (A.Optimus): Just as I suspected, you will be facing us.

Fred: Very well, Scaramouche. We know you're in there.

Scaramouche: So we meet at last, Optimus Prime. 

Brick: What did you do to Fuzzy?

Blossom: We blasted him, reducing him to dust.

Boomer: No matter. You will not reach Mojo Jojo. 

Bubbles: Try us.

Butch: With pleasure. 

Buttercup: Yeah, enough talk. Let's fight. 

Scaramouche: Face me, Optimus Prime!

Y/N (A.Optimus): Shaggy, Scooby, are you ready?

Shaggy: Like, we're ready, right, Scoob?

Scooby-Doo: Yeah, we're ready.

Scaramouche: So besides Optimus Prime, I must face two samurai wannabes.

Shaggy: (scoffs) Wannabes? We defeated the Black Samurai with this sword here.

Scooby: Yeah, we stopped him.

(Then Brick charges at Y/N, but gets pushed away by Blossom, who then charges at her. Bubbles pushes Boomer away from Butch while Buttercup battles Butch.)

Shaggy: Ready, Scoob?

Scooby-Doo: Ready, Shaggy.

(Then Y/N and the duo charge at Scaramouche, who does the same.)

Scaramouche: You will fall.

(Scaramouche tries to shoot, but Shaggy defects the shots with his sword, and then Y/N shoots him.)

Y/N (A.Optimus): You're not harming my friends.

Shaggy: Good, Y/N.

(Then Shaggy uses the sword of fate, and charges at Scaramouche again while deflecting his shots until he manages to slash one of his arms.)

Scaramouche: Damn you. 

(Scaramouche blindly rushes at the trio as Optimus Prime blasts him away with another shot.)

Y/N (A.Optimus): Shaggy, finish him.

Shaggy: All Right!

A/N: Shaggy is Deadpool and Scaramouche is Spider-Man

(Scaramouche falls down)

Scaramouche: No... I can't lose... to you...

(Then Scaramouche is sliced in half by Shaggy.)

Y/N (A.Optimus): Good work, Shaggy.

(Meanwhile the Powerpuff Girls have already beaten the Rowdyruff Boys)

Buttercup: Any last words?

(Suddenly a portal to the 27th dimension is open and a magic blasts sends the Rowdyruff Boys there.)

Y/N (A.Optimus): Figured out you would be here, Superhero Girls.

Bumblebee: I'm impressed it's just a quartet.

Zatanna: Now that the Rowdyruff Boys are banished to the 27th dimension, who will we be facing next?

Robin: Well, we already faced Slade, Mandark, Vilgax, Jasper, Albedo, Charmcaster, Fuzzy Lumpkins, Scaramouche and the Rowdyruff Boys. 

Blossom: We still have to deal with Mojo Jojo, Ice King, Professor Pericles and the Legion of Doom before we face Aku.

(Then Y/N changes to Bumblebee Optimus Prime)

Y/N (BB Optimus): And knowing Lex Luthor, he will try to find a way to kill us all, and then try to backstab Aku so he can rule the world himself. 

Supergirl: But I'm positive that you will teach that bald sucker his place in no time.

Y/N (BB Optimus): Let's overcome the remaining obstacles and finish Aku once and for all.

(Then they proceed to the next floor)

(To be continued)