Mary Kate and Ashley Olsen's little sister is reportedly in talks to play Scarlet Witch in director Joss Whedon's The Avengers sequel.

Elizabeth Olsen appears to have replaced Irish actress Saorise Ronan as the frontrunner for the role.

If cast, the Martha Marcy May Marlene star will most likely join Kick-Ass hero Aaron Taylor-Wood onscreen - he recently confirmed that he has had discussions about playing Scarlet Witch's brother Quicksilver.

It won't be the first time he has teamed up onscreen with Olsen - they will appear together onscreen in the upcoming Godzilla remake.