One day, in the Digital World:

Tai: Hmm?

Izzy: We gotta FIGHT!

As Izzy said that, a Giant thing appeared.

In the Pokemon world, in Kalos:

Ash: This is great!

Serena:i agree!

All of a sudden, a Portal opens, and Ash, Clemont, Bonnie, And sSerena get sucked in.

Somewhere in the universe:

Pit: Three Sacred Treasures!

Mario, Shulk, and Robin fly off the screen. all of a sudden, All of the fighters( minus the pokemon characters)Get sucked in the portal.

Somewhere in Magnola:

Natsu: Lets Kick some butt!

Happy: AYE, SIR!

All of a sudden:

Natsu: hmm? whats that?

A portal sucks Natsu, Happy, and the rest of Fairy Tail in.

Somewhere in modern Japan:

Kirito: Its nice to take a break!

Kirito: hmm?

A portal opens, and there sucked in.