Jaimie Alexander to Return as Sif in ‘Thor: Love and Thunder’ Sif may also make an appearance on the upcoming “Loki” seriesUmberto Gonzalez | December 11, 2020 @ 1:54 PM Last Updated: December 11, 2020 @ 4:10 PM Jaimie Alexander is in talks to return to the Marvel Cinematic as the fan favorite Asgardian warrior Sif in “Thor: Love and Thunder,” and may also make an appearance on the upcoming “Loki” Disney+ series, according to an individual with knowledge of the project. Alexander appeared as Sif, one of Thor’s closest friends who, it’s implied, carries a torch for him, in 2011’s “Thor” and 2013’s “Thor: The Dark World.” She didn’t appear in “Thor: Ragnarok” due to scheduling conflicts with her NBC show “Blindspot.”