Disclaimer: I own none of the various anime series featured within or any of the Marvel Comics characters, I'm just borrowing them for awhile. For people who follow my fanfics this ties in to the regular Arisugawa's Locket series before chapter 87.
Arisugawa's Locket Vs S.H.I.E.L.D.
Prologue
Arisugawa's Locket is a bar founded by Arisugawa Juri, a orange haired lesbian in her twenties. Tired of pick-up bars filled with people she didn't want to deal with she was inspired to open a bar, originally intended as a small establishment for some of her more... unusual friends. However, things ballooned out of control fairly quickly.
Guided by a esper of her acquaintance Juri soon assembled a rather unusual staff for her under-construction bar. Hitomi Kanzaki of the anime series Escaflowne, Ryouko and Minagi from Tenchi Muyo, Nabiki Tendo of Ranma ½, Excel Excel and Hyatt from Excel Saga, May from Hand Maid May, and Keiko Sonoda from Revolutionary Girl Utena.
The unusual staff brought about a change to the bar as the alien genius Washu Hakubi installed a variation on her 'Dimension tuner' into basement of the building. The tuner allows the bar to exist across multiple dimensions and lets residents of those dimensions access the bar, within limits. The tuner also shields the bar to a extent from outside forces, but not entirely. As the bar 'phases' between dimensions it obviously becomes visible in each world, which can lead to it's own problems...
S.H.I.E.L.D. is the Strategic Hazard Intervention, Espionage Logistics Directorate, an organization existing in the Marvel Universe who has recently become involved with policing superhuman activities. Founded in the nineteen sixties as a spy organization they often came into conflict with HYDRA, Zodiac and even Godzilla.
The former head of S.H.I.E.L.D., Nick Fury, resigned after a politically disastrous covet attack on Latervia, leaving the organization leaderless. Agent Maria Hill was appointed head of S.H.I.E.L.D. over several Fury loyalists, apparently because of her loyalty to the United States. While she served with distinction, she was blindsided by what would become known as the Stamford Disaster.
Two warring groups of super-humans destroyed the city of Stamford, triggering a conflict over registering super-humans. S.H.I.E.L.D. was assigned the job of policing the registry in the US, and similar laws were signed into law in different countries around the world. Tony Stark aka Iron Man provided Stark-tech armor for S.H.I.E.L.D. to use, also eventually becoming head of S.H.I.E.L.D. itself.
Now S.H.I.E.L.D. is aware that Arisugawa's Locket is shifting into and out of their universe randomly, possibly taking super-humans with it. What are they going to DO?
Notes: This is a summary intended for either my comics fans who have no idea about anime and/or my anime fans who might be clueless about comics. Don't worry, chapter one is going up monday.