The ABC series returns Tuesday, March 3 and in the second episode back, Sif comes to Earth on an undercover mission and has a superhero showdown with a foe whose superpowers are equal to her own. Footage of the epic clash, which takes place on the coast of Portugal prompting the S.H.I.E.L.D. agents to rush to the area to investigate. Not only do they find Sif without her trademark armor, but she has also lost her short-term memory.
You can see that episode on Tuesday March 10th on ABC.