Who does Jenna Louise Coleman play in the avengers?

Jenna Louise Coleman has not played a character in any of the Avengers films.

She is known for her roles in other popular TV shows like:

* Doctor Who (as Clara Oswald)

* Victoria (as Queen Victoria)

* The Serpent (as Marie-Andrée Leclerc)

It's possible you are thinking of a different actress, or you might be confusing her with someone else. Could you please clarify your question?