Are there mcu characters that do not appear in comics?
Quick Answer
There is no evidence that any MCU character lacks a comic-book origin; Wolverine, for example, is a comic character who appears in the MCU.
Explanation
Wolverine, whose real name is James "Logan" Howlett, is a superhero that originated in Marvel Comics, created by Len Wein and John Romita Sr. He has appeared in nine films since his introduction in X‑Men (2000), including both ensemble and solo movies. In the Marvel Cinematic Universe, Wolverine appears in the 2024 film Deadpool & Wolverine, which was produced by Marvel Studios and set in the MCU. The film features multiple alternate variants of Logan from the multiverse, with Hugh Jackman portraying the primary version and Troye Sivan playing a younger Logan in X‑Men Origins: Wolverine (2009). Based on the evidence, Wolverine’s origin and appearances are tied to the comic book canon, and no MCU character is documented here as lacking a comic origin. Consequently, we cannot confirm the existence of MCU characters that do not appear in comics based solely on the provided source.