Mastermind vs Sif Real Name
Alter Ego
Jason Wyngarde
Sif
Alias
Jason Wyngarde Nikos Jason Stryker The Great Illusionist Mutant 143
Lady Sif, Erika Velez, Mrs. Chambers, Sybil
In Films
Not Yet Appeared
Jaimie Alexander
Love Interest
No Love Interest
Alignment
Supervillain
Superhero