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    but are non-canon to the TV continuity.
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Nemesis is the ninth Ben 10 comic published in the Cartoon Network Action Pack series, published by DC and Cartoon Network. This comic appears in issue 14 of the series.


Ben, Gwen, and Max come across a new criminal in town, named "The Challenger", during a bank robbery.

After being told to move along by a police officer at the scene of the crime, Ben decides to discreetly turn into XLR8. While running towards him, XLR8 gets slipped up by an ice blast from The Challenger, and while incapacitated, Ben cannot stop him from escaping.

Later, while investigating, the Tennysons come across another crime scene. Ben transforms into Four Arms to prevent another bank robbery. Once confronted, The Challenger grows six more arms and easily defeats Ben.

After transforming back, Ben comes to the realization that The Challenger's powers come from that of his opponents', and are designed to counteract anyone who fights him.

Ben fights the Challenger in his human form, as he doesn't have any powers for him to counteract. While fighting, Gwen interjects, and knocks the Challenger out with a broom to the back of the head.

Before leaving the scene, the police officer from earlier comes and tells them to move along again, not suspecting them of being the ones that defeated the villain.



  • The Challenger

Aliens Used[]


  • Ben has a stripe on the back of his shirt.
  • XLR8's Omnitrix silhouette is green instead of black.
  • The area underneath XLR8's lips is white.
  • When Ben is about to turn into Four Arms, one part of the Omnitrix is colored white.
  • The Omnitrix's emblem is the wrong way round in two panels.
  • The stripe underneath Four Arms' lips is grey in one panel.
  • When Four Arms is about to time out, his Omnitrix symbol is green.
  • Four Arms' T-shirt is missing in one panel.
  • When Ben headbutts the Challenger, the Omnitrix looks different.
Chapter Books
Alien Force War of the WorldsDouble NegativeThe Dark of Knight
Ultimate Alien Galaxy WarsChill for a Day
Cartoon Network Action Packs
Ben 10 Ole!Fast LaneSnow BlindFear ItselfA Villain a DayTechno ZombiesBarbershop BluesBlast from the PastNemesisThe Height of HeatSpace Camp and BeyondAlien Data Files: WildmuttGreasy LightningAlien Data Files: HeatblastAlien Data Files: Four ArmsSwimming with SharksMonkey BusinessAlien Data Files: XLR8Eggs With LegsIntergalactic Spazz ClubAqua NutSonic BoomPleasant DreamsAlien Data Files: UpgradeCharmed to Beat YouCaptured!The Once and Future BenSpecial DefectsAlien Data Files: DiamondheadMountains of TroubleAlien Data Files: RipjawsDora FloraAlien Data Files: Stinkfly
Alien Force The New OrderBad BoyA Blast from The PastA Brief Mystery of TimeDouble TroubleShip ShapeLazy DaySoda JerkThe Past is the Key to the FutureBackcountry BattlegroundBenstormOld FriendsPlumbers' KidsIt's a Set UpCollectible HeroesWhat Comes Around
Ultimate Alien Fashion VictimGoing ViralDodge BenBen 10 on IceBreaking NewsStar ChaserTabloid TroubleThe Ben 10 Alien Force ExperienceBeauty and the BenThe Monster at the End of this BookGive & GetRemote ControlOne Man's TrashPowerlesstwoSomeJail BreakPaper Scissors StoneNever A Dull MomentFlagHero Times TwoChristmas ClownBlack Knight's Flight
Other Comics
Ben 10 Ben 10: Science HeroBen 10: Exploring Hero
Alien Force Wanted: Kevin Levin
Ultimate Alien Target RathTime Saver
Omniverse No Laughing MatterThe Worm That TurnedBen 10 (Issue 1 • Issue 2 • Issue 3 • Issue 4) • Super Secret Crisis War! (Issue 1 • Issue 2 • Issue 3 • Issue 4 • Issue 5 • Issue 6)
Ben 10 (Reboot) The Adventure Begin...
Graphic Novels
Omniverse Ghost ShipJoyrides (Tim 10Down in the Dumps) • Parallel ParadoxHalloween Special (Undertown HalloweenWhat Lies Ben-eath)
Ben 10 (Reboot) The Truth is Out ThereFor Science!Mecha MadnessThe Manchester MysteryThe Creature from Serenity Shore
Guide Books
Alien Force Ben 10 Alien Force: The Complete Guide
Ultimate Alien Ben 10 Ultimate Alien: The Complete Guide
Ben 10 Ben 10
Alien Force Doom Dimension: Volume 1Doom Dimension: Volume 2
Short Books
Alien Force Ben's KnightmareTriple Threat
Ultimate Alien Science Friction
Alien Force Alien Invasion
Ben 10 (Reboot) Ben 10 Handbook