Mobius M. Mobius is a character appearing in American comic books published by Marvel Comics. Created by writer/artist Walter Simonson, the earliest incarnation of the character first appeared in Fantastic Four #346 (November 1990). Mobius appears in the Marvel cinematic universe (MCU) series Loki (2021–2023) and in a post-credits scene cameo in the film Ant-Man and the Wasp: Quantumania (2023), played by Owen Wilson, with Ke Huy Quan playing Ouroboros "O.B." in Loki season 2 (2023) and Matthew Macfadyen playing Mr. Paradox in the film Deadpool & Wolverine (2024).
