Heroes Unleashed is a crossover of Noah 10 and Gumball 10: Hero Generation written by Solo and RexTennyson.
In Noah's world...
Noah is Upgrade fighting some robbers. He grew and stepped on them, then changed back.
(Noah): Why isn't there a single challenge? I beat Vilgax, the supposed 'Most Dangerous Being Ever'. If only some portal would open up and some bad guy would come out to fight me.
Just then, a portal appeared, and Gumball Watterson came out.
(Gumball): How 'bout me!
He transforms into NanoArms and punches Noah to a building.
(Noah): Aren't you suspossed to be that cat from The Amazing World of Gumball?
(Gumball): Maybe. But this fight ain't over!
Noah transforms into Humongusaur and Gumball transforms into Swampfire.
He shoots Noah to the wall.
(Noah): Now here's a challenge. ULTIMATE HUMONGUSAUR!!
He shoots missles at Swampfire.
(Gumball, detransforming): Hey, name's Gumball. And you are?
(Noah): Name's Segurason. Noah Segurason. Nobody knows you.
(Gumball): But I'm Gumball Watterson.
(Gumball): Gumball 10. I'm like, the biggest hero in the galaxy.
Suddenly, Paradox comes.
(Paradox): Aah, Gumball Christopher Watterson. I've been waiting for your arrival.
(Noah): Oh! You don't belong here. This is-
(Paradox): One of the main universes. Gumball is from another main one.
(Noah): Our mission is to get back to your universe.
(Gumball): Not gonna be easy. Alpha is hunting for us.
(Alpha): Hello, father.
(Paradox): Other than the Generator Rex timeline, other every universe I'm Alpha's Father.
(Alpha): Thank you for that story. Now DIE.
He sucks Paradox's life out.
(Noah): No! What are we gonna do! I'm just a 13-year old boy, and you just became 15.
(Gumball): Yeah, I'm starting a Alien Force, baby.
(Alpha): I am the one and only ALPHA. I'm unbeatable.
He grabs Noah away and goes to Gumball's World. Gumball transforms into RathTrack.
(Gumball): LEMME TELL YA SOMETHIN', ALAFALAFAPHA, RATHTRACK DOESN'T WANT ANY STUPID DUMMY!
He runs off.
(Noah): Alpha, lemme go! TACO MAN! But I wanted Rath!
(Alpha): I hacked The Matrix.
Taco Man shot Tacos at Alpha.
In Noah's World...
(Gumball): I never thought I'll use him. EPIK FACE!!!!
Epik Face created a portal that took him Noah.
He shoots a lazer at Alpha.
(Noah): We're gonna need more people.
Suddenly, Ben's Team came.
(Ben): We are Ben's Team from Ben 10: Infinity. We are here to help.