サイロック
A fictional character depicted in comic books published by [[Marvel|Marvel Comics]], most notably those comics featuring the superhero team the [[X-Men]]. The character has also appeared in licensed adaptations. Created by writer Chris Claremont and artist Herb Trimpe, she first appeared in the UK comic book Captain Britain #8 (Dec. 1976), by the Marvel imprint Marvel UK. She was initially a supporting character in the adventures of her twin brother, Captain Britain, briefly substituting for him in the role.

Her real name is Elizabeth "Betsy" Braddock.

Olivia Munn portrayed the character in live action.
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