Back from the Past

Back from the Past is the seventy-second episode of Ben 10: Alien Justice Force.

Air Date
May 3, 2017

Plot
Imperiex travels to the year 1998 to the Xavier mansion, to kill Professor Xavier, and Ben and the gang team up with the X-Men to stop him.

Characters

 * Ben Tennyson
 * Ultra Ben
 * Gwen Tennyson
 * Kevin Levin
 * Elena Validus
 * Violet Witch
 * Kyle Tennyson
 * Alan Albright
 * Cooper Daniels
 * Helen Wheels
 * Manny Armstrong
 * Pierce
 * Mariella Daniels
 * Kai Green
 * Professor Xavier (dies in this episode)
 * The X-Men:
 * 1) Cyclops
 * 2) Jean Grey
 * 3) Nightcrawler
 * 4) Colossus
 * 5) Wolverine
 * 6) Rogue
 * 7) Storm
 * 8) Shadowcat
 * 9) Lockheed

Villains

 * Imperiex

Aliens Ben used

 * Jetray
 * Cannonbolt
 * Diamondhead
 * Echo Echo/Ultimate Echo Echo

Aliens Ultra Ben used

 * XLR8
 * Chromastone
 * Benwolf