Question: What fictional Marvel Comics superhero team uses the Leapfrog as their main transportation?

full_context: Document 1: List of Runaways story arcs: "Runaways" is an American comic book series created by Brian K. Vaughan and Adrian Alphona for Marvel Comics. The series debuted in April 2003. It has covered 13 story arcs, and is currently in its fourteenth. "Runaways" has frequently been collected in digest-sized books, which led to booming sales. Series creator Vaughan wrote the entire first volume and most of the second, which was continued and ended by Joss Whedon. Terry Moore, creator of "Strangers in Paradise" currently runs the series.
Document 2: Adrian Chase (Arrow): Adrian Chase (born Simon Morrison) is a fictional character in The CW series "Arrow". Named after the DC Comics character of the same name, he debuted in the series' fifth season. He is initially introduced as a false protagonist and is then revealed to be the season's main antagonist. Chase is introduced in the third episode of the season, "A Matter of Trust," as the district attorney of Star City. His alter-ego Prometheus had been introduced in the season opener "Legacy". Chase's major storyline has included infiltrating City Hall and trying to destroy Oliver Queen / Green Arrow. Chase is portrayed by Josh Segarra, while his voice as Prometheus is provided by Michael Dorn.
Document 3: Future Foundation: Future Foundation is a fictional organization appearing in American comic books published by Marvel Comics. Created by writer Jonathan Hickman, the team first appeared in "Fantastic Four" #579 (July 2010) and stars in the series "FF," written by Hickman and illustrated by Steve Epting. The Future Foundation is a philanthropic organization created by Mister Fantastic to better serve humanity's future.
Document 4: Fantasticar: The Fantasticar is a fictional flying car appearing in American comic books published by Marvel Comics. The vehicle is depicted as the primary mode of transportation for the fictional Marvel comics superhero team, the Fantastic Four. Several versions have been created by Mister Fantastic, leader of the team.
Document 5: Karolina Dean: Karolina Dean ( ), also briefly known as Lucy in the Sky, or L.S.D., is a fictional character, a superheroine appearing in American comic books published by Marvel Comics. The character first appeared in the series "Runaways". Like every member of the original Runaways, she is the daughter of evil super-powered criminals; while searching through her parents' home, Karolina inadvertently discovers that her parents were Majesdanian invaders. Majesdanians are an alien race that absorbs solar energy and reradiates it in the form of the colors of the rainbow. She is often called "Kar" or "K" for short, and is known for her free spirit and kind nature. She is a vegan and peace keeper, and once mentioned as being a protester.
Document 6: Runaways (comics): Runaways is a superhero comic book series published by Marvel Comics. The series features a group of teenagers who discover that their parents are part of an evil crime organization known as "The Pride". Created by Brian K. Vaughan and Adrian Alphona, the series debuted in July 2003 as part of Marvel Comics' "Tsunami" imprint. The series was canceled in September 2004 at issue eighteen, but due to high numbers of trade collection sales, Marvel revived the series in February 2005.
Document 7: Speeder bike: Speeder bikes (also known as "jumpspeeders" or "hover bikes") and swoop bikes (or just "swoops") are small, fast transports that use repulsorlift engines in the fictional "Star Wars" universe. "Return of the Jedi" includes a prominent speeder bike chase; speeders and swoops also appear in "", "", "", "Star Wars", and the "Star Wars" expanded universe's books, comics, and games.
Document 8: Xavin: Xavin is a fictional superhero in the Marvel Comics "Runaways". They are a Super-Skrull in training, created by author Brian K. Vaughan & artist Adrian Alphona, and debuted in "Runaways" vol. 2 #7. Although Alphona was the series' artist at the time, artist Takeshi Miyazawa first drew the character on print. Xavin had first appeared to the Runaways, taking on the form of a black male, but changed into a black female just for the sake of Karolina Dean, a lesbian whom they were to marry. Xavin is often seen as a male, simply to be "intimidating". Xavin, often called "Xav" for short, is known for their obtuse and warlike personality. They had originally found it hard to fit in with the Runaways due in part to their constant gender switching and unfamiliarity with Earth values and norms, though through proving their loyalty to the group, found acceptance. They are the child of the Skrull Prince De'zean.
Document 9: Chase Stein: Chase Stein (also known as Talkback), is a fictional character, a superhero in the Marvel Comics "Runaways". He was created by author Brian K. Vaughan & artist Adrian Alphona, and debuted in "Runaways" vol. 1 #1 with most of the other main characters. Like every member of the original Runaways, he is the son of evil villains with special abilities; in Chase's case, mad scientists. Chase is often regarded as the "wild card" in the series, due to his often changing role in the group, from being the getaway guy and technical guru to the "loose cannon" after he departed the group for a short while. However, despite his rule-breaking persona, Chase is fiercely loyal to his friends and remains a valued member of the team. Chase is the eldest of the Runaways at age 18. Chase shares a psychic and empathic link with deinonychus Old Lace, granting him the ability to command the dinosaur to do his bidding and also possesses the Fistigons, the world's most powerful gauntlets.
Document 10: Pride &amp; Joy (comics): "Pride & Joy" is a six-issue story arc from the comic book series "Runaways" (vol. 1), published in issues one through six in 2003 by Marvel Comics' imprint Tsunami, which was created to attract young readers. It was written by Brian K. Vaughan and illustrated by Adrian Alphona. While it was initially intended to be a six-part miniseries, the popularity of "Pride & Joy" and new ideas from writer Vaughan allowed "Runaways" to grow into a regular monthly Marvel title. "Pride & Joy" has subsequently won several comics awards, including the 2006 Harvey Award for Best Continuing or Limited Series.
Document 11: Nico Minoru: Nico Minoru (briefly known as Sister Grimm), is a fictional superheroine appearing in American comic books published by Marvel Comics. She first appeared in the Marvel Comics "Runaways". Created in 2003 by writer Brian K. Vaughan and artist Adrian Alphona, the character debuted in "Runaways" vol. 1 #1 (July 2003). Like every member of the original Runaways, Nico is the daughter of the super-powered villains calling themselves "the Pride"; in her case, she is the daughter of dark wizards. Upon finding out, Nico runs away with the rest of the runaways but later discovers that she inherited her parents' magical aptitude. Whenever Nico bleeds, a powerful staff emerges from her chest, allowing Nico to bend magic.
Document 12: Leapfrog (comics): The Leapfrog is a fictional vehicle appearing in American comic books published by Marvel Comics. The Leapfrog is the personal mode of transport for the superhero team Runaways. The ship takes on the form of a large frog. Originally created by Janet Stein and Victor Stein, the Leapfrog was used by the Pride when they had to perform their Rite of Thunder for the Gibborim. After the Pride was destroyed by the Gibborim, control of the Leapfrog rested with Chase Stein and has since been used as the primary mode of transportation for the Runaways. The Leapfrog doesn't actually fly; it "jumps" forward to move.
Document 13: Runaways (TV series): Marvel's Runaways, or simply Runaways, is an upcoming American web television series created for Hulu by Josh Schwartz and Stephanie Savage, based on the Marvel Comics superhero team of the same name. It is set in the Marvel Cinematic Universe (MCU), sharing continuity with the films and other television series of the franchise. The series is produced by ABC Signature Studios, Marvel Television and Fake Empire Productions, with Schwartz and Savage serving as showrunners.
Document 14: Gibborim (comics): The Gibborim are a group of fictional characters appearing in comic book series, "Runaways", published by Marvel Comics. They were created by author Brian K. Vaughan and artist Adrian Alphona. Debuting in "Runaways" #13 (March 2003), in a flashback sequence, the Gibborim are the last known survivors of an ancient race of six-fingered giants who ruled Earth before humanity's dawn, called "elder gods" by Witchfire, and possibly servants of the Judeo-Christian God. Their apparent goal is to wipe the Earth clean of all humanity and reshape the realm to create a new Eden to make their "holy Father" proud. They were the evil benefactors of the Pride. Averaging a rough height of 100 ft , the Gibborim despise all humans.
Document 15: Terrigen Mist: The Terrigen Mist is a fictional substance appearing in American comic books published by Marvel Comics. Terrigen Mist is featured particularly in stories that feature the Inhumans, a fictional race of superhumans.
ground_truth: primary mode of transportation for the Runaways.