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Jeff

Jeff

18 appearances Β· Modern Age Β· 2019–2026
Who is Jeff?

Jeff is an adorable baby land shark who became an unlikely fan-favorite in the Marvel Universe, befriending heroes like Ms. Marvel and the Young Avengers. Despite his intimidating species, Jeff is relentlessly cheerful and affectionate, winning over allies with his irresistible charm rather than any combat prowess.

Meet Jeff, a Modern Age Marvel creation who made their debut in the landmark anthology Marvel Comics #1000 (2019), brought to life by the creative team of Al Ewing and Joshua Cassara. In the years since, Jeff has carved out a genuinely charming corner of the Marvel Universe, starring in dedicated titles like It's Jeff and It's Jeff: Jeff-Verse while also running with the X-Men and sharing pages with heavy-hitters like Spider-Man, Captain America, Ms. Marvel, and Hawkeye. It's a remarkable range of company for a character with a relatively compact catalog footprint, speaking to just how much affection Marvel and its readers have developed for this little figure. If you haven't discovered Jeff yet, these books offer some of the most delightfully distinct reading in modern Marvel comics.

β˜… First appearance
Marvel Comics #1000
Oct 2019

Top series

Covers through the years β€” 2019–2026

Marvel Comics #1000 2019
Marvel Comics #1000
It's Jeff #1 2023
It's Jeff #1
Exceptional X-Men #10 2025
Exceptional X-Men #10
Spider-Man: Meals to Astonish #1 2026
Spider-Man: Meals to Astonish #1

Appearances

Marvel Comics (2019)
It's Jeff (2023)
#1
Marvel's Voices: Pride (2023)
#1
Venom War: Spider-Man / Lethal Protectors (2025)
It's Jeff: Jeff-Verse (2025)
Runaways (2025)
#1
Magik (2025)
#6
Laura Kinney: Wolverine (2025)
Exceptional X-Men (2024)
#10
Spider-Gwen: The Ghost-Spider (2024)
Ultimate X-Men (2024)
#16
X-Men (2024)
Jeff the Land Shark (2025)
#3
Marvel Rivals: Infinity (2025)
Spider-Man: Meals to Astonish (2026)
#1
Marvel Rivals: Timestream Adventure (2026)
#1