Does anyone know of any TMNT 2012 fanfiction where Bebop joins the Turtles?

I'm not sure about specific fanfiction stories, but you may be able to find some by searching on websites like Archive of Our Own or Fanfiction.net. You could try searching for tags like "TMNT 2012," "Bebop," and "team up" to see if any stories come up where Bebop joins the Turtles. Good luck in your search!

Title: Shell Shock

Author: darth-angelus

Synopsis: After a bitter falling out with Rocksteady, Bebop finds himself on the run and desperate for allies. Unexpectedly, he stumbles upon the Turtles and their allies, and a strange twist of fate leads to him reluctantly joining their ranks. As he reluctantly adapts to his new life, Bebop must confront his past and the choices that led him to the Turtles' doorstep.

Link: https://archiveofourown.org/works/20840121

Title: Green and Warty

Author: kaydeefalls

Synopsis: When Bebop is injured and separated from Rocksteady during a battle, he stumbles across the Turtles' lair. Initially wary of each other, they find themselves reluctantly working together when they become trapped by the Foot Clan. As they spend more time in each other's company, Bebop begins to question his loyalties and the path he has chosen.

Link: https://archiveofourown.org/works/7022087

Title: The Mutant's Path

Author: Lil_E

Synopsis: After witnessing Rocksteady's betrayal, Bebop is disillusioned and begins to reconsider his life. Seeking redemption, he joins the Turtles and their allies, but his past haunts him. As he struggles to find his place in this new family, Bebop must prove his worth and overcome the doubts of those who once saw him as an enemy.

Link: https://www.fanfiction.net/s/12468094/1/The-Mutants-Path