Hela is a huge fixture of the upcoming Thor: Ragnarok, which hits cinemas next month.
Brad Winderbaum, one of the film’s producers, kept his cards close to his chest.
“Obviously we always think about the movies as standalones, even if they do set up a movie down the road or pay off something from a previous film,” he told ComicBook.com.
“What we hope, if we do our jobs right, is that Hela is one of the best villains we’ve had – maybe the best, hopefully.”
Spilling on Blanchett’s performance, he added: “Cate has been delivering an incredible performance. She’s really scary and really charming.

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“She’s very easy to watch, very fun to be around. But very murderous and horrible at the same time.
“You’re right that those are things that Thanos values. But when and how she plays into the future of the universe is uncertain now.”
Thanos, played by Josh Brolin, is known to be the chief antagonist-at-large in Infinity War.
The all-star film already has an almighty cast, with several faces from the MCU due to appear.
With a sequel being filmed back-to-back, it’s also thought that there will be more than one fatality among the lead cast.
Thor: Ragnarok is out on October 27. Avengers: Infinity War follows on April 27 2018 in the UK (May 4 in the US).