Warning: Spoilers for Spider-Man and Wolverine #4!Spider-Man’ssister, Teresa Parker, returns with enough power to tame Wolverine. Still a relatively new character after having debuted in 2014, readers still know little aboutSpider-Man’s oft-forgotten sister, but her reintroduction manages to add to her lore and abilities list.

As the two title characters fight for their lives inSpider-Man and Wolverine#4, they are met by special agent Teresa Parker.

Teresa Parker cuts through Wolverine and passed Spider-Man

She doesn’t enter empty-handed either, asTeresa Parker hits the scene with claws as lethal as Wolverine’s own, and a gun filled with bullets from the Muramasa Blade,the one thing capable of killing Wolverine.

Spider-Man’s Sister is Back, and Has a Grudge Against Wolverine

Spider-Man and Wolverine #4 by Marc Guggenheim and Gerardo Sandoval

Throughout this series, Spider-Man and Wolverine have been hunted by a mysterious man named Dreadshadow, who teleports them from one obstacle to the next and one location to the next. After a sprint from the Savage Land to China to New York, the duo are met by Teresa Parker, who was recruited personally into the CIA by Nick Fury.

Someone of her caliber always comes prepared with her weaponry, but it’s not just the weaponry that tells the story, as much as it solidifies Teresa as one ofSpider-Man’s strongest family members. It’s the fact that she arrives with a massive accusation for her brother: Wolverine is the man who killed their parents.

Spider-Man reacts to sister Teresa Parker pointing a gun at Wolverine

Spider-Man’s Sister Becomes an Enemy of Wolverine

One Bombshell Twist Changes Everything for Spider-Man and Wolverine

Rewriting Spider-Man’s origin storylike this was always going to have major ramifications across the Marvel Universe, but audiences are already seeing how it affects those within Peter Parker’s circle. Of course, this could all wind up being revealed to be a ruse in which Wolverine has been framed, but the bombshell, even as a rumor, has consequences.

For now, those consequences deepen Wolverine into Spider-Man’s origin story, but also make Teresa an enemy of Wolverine. While simultaneously showing how a character like Teresa can rise to the occasion against any foe she faces, she instantly becomes Wolverine’s deadliest archrival with weapons that not evenSpider-Mancan save him from.

Spider-Man’s sister Teresa Parker is ready to kill Wolverine

Spider-Man and Wolverine#4 is on sale now from Marvel.

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