Sif vs Madame Xanadu Real Name
Alter Ego
Sif
Nimue Inwudu
Alias
Lady Sif, Erika Velez, Mrs. Chambers, Sybil
Mistress of the Sacred Grove Sylven Nymph Nimue Inwudu Forest Maiden Western Seer Madam Seer Novia
In Films
Jaimie Alexander
Not Yet Appeared
Alignment
Superhero
Supervillain