Sarge: I take it that's not good?
He says as the unrelenting unholy hordes of Grimm rush towards the train.Oobleck: No, no it is not. Okay we need a plan.
Sarge: Okay the reds and blues will go down with Yang, Weiss, and Blake to stop the train. Sync?
Grif/Tucker: Sync
Caboose: Easy-bake oven.
RWBY: What?
Grif: Let'S goooooooo!
He yells as the reds and blues jump into the train and start running towards the front. After a while they reach a car that had the infamous ice cream villain: NEOPOLITAN! The reds and blues couldn't dare hurt something so adorable and wholesome as an ice cream lady, so they ran toward leaving Yang behind to fight the Ice cream mute. Then they reach a giant 8 foot dude with a chainsaw.
WF lieutenant: You're going down!
He yells as he revs his chainsaw.Grif: I'm getting some Meta vibes off this dude.
Sarge: Remember how we took care of him?
Tucker: On it!
He yells as he dashes towards big boi, he swings his chainsaw but Tucker swings his key and it cuts the chainsaw in half.WF lieutenant: What!? How!?
Tucker: Looks like my sword is stronger! BOW CHICKA BOW WOW!
He shouts as he does his "Swish Swish Stab" combo on him. They then go to the next room where Torchwick was. He starts to do the iconic bad guy evil dialogue.
Torchwick: Evil! Awsome! Blah blah blah! Cinder! Train! Explosion! Beacon! Pancakes! Met—
Grif: Shut up nerd.
He says as the reds and blues start to light him up with pew pews and boom booms.Blake: That's one way to do it.
After that, they all climb BACK on top of the train. What was the point of going down if ya just gunna get back up? Anyway, once they get up they see the train headed for a dead end.
Blake: What do we do?!
Tucker/Grif/Sarge: WE'RE ALL GUNNA DIE!/Meh I had a good run./No you didn't.
Then Weiss stabs the ground, surrounding them in Ice. The the train crashes into the wall sending them all upwards through the roof and into a town.
Grif: How does ice protect people? Isn't it fragile?
He asks as everyone slowly gets up, still a little dizzy.Tucker: That's what you're asking?
Sarge: He's Grif, what did you expect.
Yang: Do you guys do anything besides stand around and talk?
Grif: Hey I recall us taking out some people not too long ago.
Tucker: Hey! I was the one who took out the dude with the chainsaw!
Caboose: I did something too, but I forgot.
Sarge: Be quiet, Caboose.
Yang: Exactly.
Ruby: Guys! We have more important things to do!
She says as a giant snake Grimm bursts out of the ground, followed by a lot more.Sarge: Men, today is a good day to die!
RWBY: What!?
Grif: *turns to them* First time?
*Cue season ten scene where the reds and blues get in a line and load there weapons while the RvB theme song plays* Caboose starts humming the song while the Grimm notice them and start to rush at them.

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Red vs Blue in the RWBY universe
FanfictionSarge, Caboose, Tucker, and Grif magically get teleported into the RWBY universe, so yeah tucker is gunna have some fun with team RWBY Tucker: BOW CHICKA BOW WOW! Me: tucker this is a description, leave your saying for the ladies. Tucker: ugh such a...