Fics like Two Omnitrix Wielders Walk Into A Bar...

A quick stop-off into a transdimensional bar leads Ben 10 to meet the alternate (and admittedly very attractive) version of his cousin with an Omnitrix.

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1. With Great Power by n00dl3Gal (Ben 10 Series)
2. My Name Isn't Ben by B1ack0ut (Ben 10 Series)
3. A Long, Hard Study Session by GrayNeko (Ben 10 Series)
4. I've Watched Your Face For A Long Time by NidoranDuran (Ben 10 Series)
5. Summer Vacation by GhoulDash97 (Ben 10 Series)
6. A Spider, a Ghost and An Alien walk into a Bar by Rose_is_spiraling (Batman - All Media Types, Danny Phantom, more)
7. A Summer Well Spent by bottombitch (Ben 10 Series)
8. Gwendom by DoctorW (Ben 10 Series)
9. It Was Just a Prank by orphan_account (Ben 10 Series)
10. Priestess 10 by SilverSoulmmc (Persona 4, Ben 10 Series, more)
11. You Were A Stranger by entity9silvergen (Ben 10 Series)
12. The Heat of The Argument by Chozin_Yi (Ben 10 Series)
13. Tennyson's Card Game Prize by WarlordThanatosXII (Ben 10 Series)
14. Not the Intended Use. by Spartan1992 (Ben 10 Series)
15. Controlled Burn by Bearman15 (Ben 10 Series, Teen Titans (Animated Series), more)
16. Zennia Tennyson: Accidental Conqueror, Useless Lesbian, Part Time Galactic Hero by CyberQueen_Jolyne (Ben 10 Series)
17. The Size of your File by FoxWolfen (Ben 10 Series)
18. Dark Mirror by Acidwing (Ben 10 Series)
19. Quirks, Gourmet, Demigods, Dragons, Slimes and Aliens, Oh My by AliasEinzwerthos, AzemTheEverRecording, Darth_striker117, Orion_the_Omniversal_Watcher (僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), Percy Jackson and the Olympians - Rick Riordan, more)
20. Gwen X by NullnLight (Ben 10 Series)