The best way for Lady Sif to return to the MCU would have been a role in Shang-Chi and the Legend of the Ten Rings. Instead, the MCU gave Jaimie Alexander’s Asgardian heroine a cameo in Loki episode 4, where a time loop induced by the TVA forced Loki (Tom Hiddleston) to repeatedly relive a past encounter with her.
Prior to Sif's guest appearance on Loki, the last time she was around was in a season 2 episode of Agents of SHIELD, which aired in 2015. Her long absence can be attributed primarily
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