Fan:Digimon the Movie: Super Dimensional Showdown

It is a fan movie, which is created by Supereditor100.

Plot
The movie start with, Ryo Akiyama fighting the evil digimon Parallelmon, who have absorbs the villains of the legendary heroes who defeated them, and have them work for him, Ryo has the help from the Xros Heart United Army, but they wouldn't any match for Parallelmon digimon army. The group were finished, but Shoutmon and Gumdramon, weren't giving up and told Parallelmon, a voice said how that makes a man, as a streak of fire appears in the sky, like a rocket, and a young man jumped from it and punches Apocalymon, Zenjirou was surprised by the fact someone punches a digimon, and deal damage to it.

The young man introduce himself as Marcus Damon and with him is is digimon partner Agumon, Taiki recognized him as the one who helped him stop Quartzmon, a few months ago, Agumon was still jealous the Marcus' Agumon can fly, a 14-year-old Tai appeared and says don't worry, and introduce himself to Xros Heart, Magnamon appeared, along with Davis who introduce himself to everyone, Takuya appeared along with Takato and his partner Guilmon, and Takato was so excited to befighting with Tai and Davis. Tai think it was enough of an introduction and began by digivolving Agumon to WarGreymon, Marcus activated his D.N.A. charge and digivolve his Agumon to ShineGreymon, Takato biomerge with Guilmon to become Gallantmon, and Takuya did a Fusion Evolution to become Aldamon, the five heroes began to join in to help fight Parallelmon.

Let's take this to about earlier. In the Tamers universe, Ryo was hanging in the roof of a building with his digimon partner, then he was confronted by a mysterious man and his digimon, Ryo said hello to the man as he knew him, the old man asks Ryo for a favor to hunt a digimon that has the power to travel through dimensions, and the old man needs Ryo, because he's already someone who can travel through different dimensions and asks for his help, otherwise the digimon will destroy all the dimensions and everyone in it, Ryo looked back on the Digidestineds and the Tamers he made friends with, and agreed to help the old man in stopping the digimon.