D.E.A.T.H.Z

A brain teaser fanfiction of six characters:

Dex Edogawa - A vigilante detective created from Dexter Morgan and Conan Edogawa.
Evelyn Romanova - A trickster/joker. A fan created daughter of Natasha Romanova the Blackwidow.
Alicia Holmes - A details reader. A fan created daughter of Sherlock Holmes.
Timmy Einstein - A genius. A fan created son of Albert Einstein.
Helene Wayne - An inventor. A fan created daughter of Bruce Wayne the Batman.
Zero - A fan created of a secret character ;) maybe you can figure it out by yourself.

Those six are gathered by Jack, who is from a secret information agency. Each of them has their own reason to join Jack, and they escalate quickly against each other. A war between the six greatest genius of the world turns into a deadly mind game, that could resolve in the end of the human race.