Chapter 1: The Crazy Rabbids

(In a basement somewhere)

A young female scientist was working on a strange machine while at the same time humming the Mario theme song. In her basement were a ton of posters, Amiibos, figurines, and more of the Super Mario Brothers' Team. When she was finished doing some work on her latest invention, a strange mechanical headgear, she put it on. From her point of view, a small tiny machine on the screen appeared.

Young scientist- Alright, Beep-O. That oughta fix the overheating problem.

Beep-O smiled and nodded at the young scientist.

Young Scientist- Can you believe it's been three months since Tech magazine put me…

Beep-O- (BEEP)

Young scientist- Okay! "Us"…on the cover? "The SupaMerge takes item A and item B to create item C." (Groan) If only it were that easy…the article says nothing about dark matter, space-time manipulation, practical applications, nothing! I mean, the SupaMerge can solve the energy crisis, Beep-O! Watch!

Then the young scientist used the SupaMerge to fuse a plant and a lamp together. However, the SupaMerge gave out an overheating warning again.

Young scientist- Not again! Sorry, Beep-O. Let's take a break and come back at this overheating thing fresh, okay?

Then the young scientist took off the SupaMerge and left her basement. However, shortly after she leaves, a washing machine of all things suddenly teleports into the basement. And when the washing machine opens up, out comes these crazy and insane creatures known as the Crazy Rabbids jumped out. The Rabbids eagerly began running around the room, looking for anything they could play with. One Rabbid found the SupaMerge headset, and like what most would expect from the crazy actions of the Rabbids, he put the SupaMerge headset on his head. Beep-O appeared on screen and was very confused as to what was going on. One Rabbid found a vacuum cleaner and began riding it like a carnival ride. Two female Rabbids dove into a box full of wigs and one pulled out a blond wig and a pink cell phone while the other Rabbid pulls out a purple wig and a red bra. One Rabbid pulled out a Mario hat from a box of hats and that invited three other Rabbids to also grab a hat. One pulled out a Luigi hat, another pulled out blue hat that looks like Sonic's ears and quills, and the third pulled out a hat that looked like the head of a Tasmanian tiger. One Rabbid somehow pulled itself out of a nearby toilet and yanked a rubber duck from his rear. Another Rabbid was scratching its rear with a potted sunflower. Beep-O tried to tell the Rabbid wearing the SupaMerge to stop all of this, but the Rabbids were having too much fun. Suddenly, the Rabbid wearing the SupaMerge accidentally turned it on and shot a merge beam at one of the other Rabbids. The Rabbid wearing the blond wig and pink cell phone was suddenly transformed into Rabbid Peach. The Rabbid wearing the SupaMerge realized what the device he was wearing can do, so he decided to play with it a little more. He saw a Rabbid playing with a balloon and used the SupaMerge to make that Rabbid literally a living balloon. Then the Rabbid began using the SupaMerge like crazy, hitting random Rabbids in the crowd and merging them with whatever. However, he accidentally hit the washing machine that brought them to the basement with a beam from the SupaMerge…and it began to malfunction, big time! The washing machine began spinning in reverse, creating a vortex that began sucking all the Rabbids into it as well as most of the Mario themed items in the basement. After the Rabbid wearing the SupaMerge was sucked into the washing machine, it vanished without a trace.

(At Peach's castle in the Mushroom Kingdom)

All the Toads were gathered in front of the castle to see the unveiling of Peach's new statue. Standing on the stage were Mario, Luigi, Yoshi, Donkey Kong, Sonic, Ty, Shantae, and Princess Peach.

Donkey Kong- I don't know why so many Toads are here to see a new statue of Princess Peach or why Mario forced me to come here.

Sonic- Well, you did uproot the last statue when you and Kirby were fighting Zero during that Tabowser incident. At least you made a bullseye when you hit Zero in his eye with that statue.

Donkey Kong- You and Link did some damage too when you fighting Infinite.

Ty- Can you just relax, mates? I know we've all been through a rough adventure recently, but Tabuu is still recovering and we've made an agreement with our nemeses to take a vacation.

Mario- Ty's right. Just enjoy the brief moment of free time we have while it lasts. I mean, what could possibly go wrong?

Suddenly, a blue vortex opened up in the sky and the area became dark all around them.

Shantae- I think you might've spoken too soon, Mario!

Then they noticed a blue Toad being sucked into that vortex. Then more Toads began to be sucked up into the sky. Mario noticed the ground beneath him was beginning to crack open. But Mario's attention was immediately drawn towards Luigi who was now being sucked up as well.

Luigi- Mario! HELP!

Mario- Oh no! LUIGI!

Mario quickly rushed to help Luigi, but Luigi slipped through his grip and flew into the vortex. Soon after, Toad, Princess Peach, and Yoshi were also sucked up into the vortex. Mario turned to look behind him and saw Donkey Kong's weight was keeping him down and that Sonic, Ty, and Shantae were clinging to him because of that.

Donkey Kong- Do you guys have to all jump on me like that…and easy on the grip there, Sonic! That really hurts!

Mario- If you're done fooling around, I say it's time to get to the bottom of this mess!

Then Mario began using the parts of the ground being sucked up as platforms to reach the glowing blue vortex before jumping in it after Luigi.