Originally, the Guardians of the Galaxy were made up of Peter Quill ... Kraglin (Sean Gunn), and the Russian telekinetic space dog Cosmo (Maria Bakalova) had also joined the team.

Cosmo is many things: a telepathic dog, a loving dad to wonderful puppies, the Chief of Security in Knowhere and… angry with the Guardians of the Galaxy! Things are about to get ruff.

SEE ALSO: 'Guardians of the Galaxy Vol. 3' introduces a new adorable ... Kraglin (Sean Gunn) and Cosmo the Spacedog (voiced by Maria Bakalova). Plot-wise, it makes sense. Plus, their presumed ...

Despite this transition, Gunn's foundational contributions to Marvel Studios, particularly through his Guardians of the ...