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Lady Sif ( Jaimie Alexander ) not being inThor : Ragnarokended up being a positive thing , that at long last spared her type from being permanently kill off . author - film director Taika Waititi is credited for take a breath new life history into theThorfranchise , as while Kenneth Branagh ’s 2011Thorand Alan Parker ’s 2013 follow up , Thor : The Dark World , were hits for Marvel Studios , they were lagging behind Iron Man and Captain America ’s trilogies in term of critical and rooter acclamation .
The rollickingThor : Ragnarokradically changed the God of Thunder and his corner of the Marvel Cinematic Universe , but Waititi also unmercifully killed off much of Thor ’s established supporting cast , andLady Sifwould in all probability have been a casualty had she been in the film . Sif appeared in the first twoThormovies ; she was established as a powerful Asgardian warrior who was part of Thor ’s limited band of companion , which also include the Warriors Three , Volstagg ( Ray Stevenson ) , Hogun ( Tadanobu Asano ) , and Fandral ( Joshua Davis / Zachary Levi ) . Sif was a close admirer of and was poised to be a dearest pastime for Thor , as she was in Marvel Comics , but that romance never materialized in the MCU since Thor ’s first two picture show focused on his love amour withJane Foster ( Natalie Portman ) . As such , Sif ended up as a background character who was ready to hand in a fight but not amply developed .
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Sif was originally intended to be part ofThor : Ragnarok , but Jaimie Alexander could n’t join the yield because of her obligations as the star of NBC’sBlindspot , which aired from 2015 - 2020 , and literally burgeon forth on another continent . Alexander did n’t receive enough notice from Marvel that could make the programming work , so she bowed out and Sif did n’t appear in the film at all . However , that end up being a very good thing for Alexander and her Asgardian character , because Waititi’sThor : Ragnarokplans involved , as the director put it toThe Vergein 2017 , " the death of the old creation and the rebirth of the raw . And I think that applies to this film , because we ’re demolish what ’s been made in the previous film , and then rebirthing it . “That included killing off core characters likeOdin ( Anthony Hopkins ) , the Warriors Three and , if she had been in the moving-picture show , belike Sif as well .
wonder Studios President Kevin Fiege confirmed toColliderthat Sif would have very likely met a grim fate inThor : Ragnarok : " If she had been on Asgard , she might not be alive , so that ’s one of the vantage [ of not have got her in the film].“Whether or not Sif died because of Thanos ' ( Josh Brolin ) snap inAvengers : Infinity Warwas an opened question but regardless , if she had been dusted along with one-half of the existence , she was resurrected inAvengers : Endgame . Either way , the character Waititi killed off inThor : Ragnarokare view permanently deceased . Since Sif vamoose the picture , she is considered to still be alive , and can potentially make an MCU reappearance .
Sif ’s final coming into court ( so far ) in an MCU film was when she and Falstaff brought the Aether / Reality Stone to theCollector(Benicio Del Toro ) at the closing ofThor : The Dark World . Afterward , the last prison term sports fan learn Sif was when she appeared in the first two season ofMarvel ’s Agents of SHIELD ; indeed , Jaimie Alexander ’s Asgardian was one of the few MCU movie character to crossover with the ABC spinoff TV series , joining Nick Fury ( Samuel L. Jackson ) and Maria Hill ( Cobie Smulders ) .
Now thatBlindspothas end after a five - season rill , Jaimie Alexander is free to reprise Lady Sif , and Marvel did come call off as the actress has join the casting ofThor : Love and Thunderand Lady Sif could appear inLokion Disney Plus as well , Hopefully , the intergalactic Asgardian warrior survivesThor : Love and Thunder , which would give Lady Sif the selection to invitee star in other cosmic MCU films likeCaptain Marvel 2 , Guardians of the Galaxy Vol . 3,Doctor Strange and the Multiverse of Madness , or one of the many other MCU series coming to Disney Plus .
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