MCF and the Avengers is the first crossover with Marvel written by trachie17 and the first in a series. It was soon followed by MCF: Iron Man 3, MCF: Dark World, MCF: Winter Soldier, MCF and the Guardians of the Galaxy and MCF: Age of Ultron. MCF  In it, Emmy, Tracy, Raina, Jessy, Starz and Daisy are asked by Nick Fury to join S.H.I.E.L.D to get the Tessaract back from Loki and they have to team up with Steve Rogers aka Captain America, Tony Stark aka Iron Man,  Bruce Banner aka the Hulk, Natasha Romanoff aka Black Widow, Clint Barton aka Hawkeye, Thor and force team up with Tricia to stop Loki and an evil alien threat known as the Chitauri..

Characters AppearingEdit

  • Tracy
  • Tricia
  • Raina
  • Emmy
  • Jessy
  • Starz
  • Daisy
  • Nick Fury
  • Tony Stark
  • Pepper Potts
  • Bruce Banner (Debut)
  • Steve Rogers (Debut)
  • Natasha Romanoff 
  • Clint Barton (Debut)
  • Phil Coulson 
  • Ben Tennyson
  • Dimitri (Cameo) 
  • Kenny (Cameo)
  • Annie (Cameo)
  • Julie (Cameo)
  • Anya (Cameo)
  • Dimitri (Cameo)
  • Pepper Potts
  • Eric Selvig


  • Loki (Debut; Main antagonist)
  • The Chitauri (Debut; Major Antagonists)
  • Thanos (Debut; Minor Appearance)
  • Alt. Tracy (Minor Appearance)


When Nick Fury realizes that he needs more than what he has in mind to stop Loki. He asks the Mystery Case Files to join S.H.I.E.L.D. to help in defeating Loki. Now together with a band of superheroes an anti hero villain and magical detectives, they must stop Loki and save the earth before its too late.


  • This is the first MCF crossover with a superhero franchise. The second would be with DC in MCF and the Injustice: Gods Among Us.
  • This story marks major character development through Tricia as she aids the Avengers to stop Loki.
  • It's revealed that Tony Stark is Tracy and Tricia's godfather and Pepper is their godmother in this. Tracy and Tony previously collided with Tony before and it was hinted to them but never revealed. However, Tracy finds out the truth eventually in MCF: Iron Man 3 through Tony.
  • It is revealed that Tracy has an entire collection of comic books and is a fan of both Iron Man and Captain America including owning Captain America comics.
    • It's also revealed that Kenny is also a fan of Captain America.
  • This marks Alt. Tracy's second appearance though in a small non speaking appearance. She'll later reappear for a third time in Mystery Case Files: The Movie

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