Ben 10: Kingdom Hearts

Movie by Kross about Heartless and Nobodies as Ben 10 aliens.

First Strike
Nobodies Wildmutt, and Ult. Big Chill broke into the Heartless Dimension. Heartless Goop attacked Nobody Ult. Big Chill(NUBC) and NUBC froze him solid, killing him. Heartless Humungausour and Diamondhead surrounded Wildmutt and killed him.

Nobody Ult. Big Chill: I gotta get out of here!

Heartless Jetray flew up to him and blasted him with eye lasers. NUBC flew out of the dimension and went to his own

Heartless Vilgax: They struck first, and Earth will be covered in darkness.

Darkness on Earth
Coming soon...

Nobodies

 * Nobody Wildmutt
 * Nobody Ultimate Big Chill

Heartless

 * Heartless Humungausor
 * Heartless Diamondhead
 * Heartless Goop
 * Heartless Jetray
 * Heartless Vilgax