Simon "Ghost" Riley is a character from the Call of Duty video game franchise, not a comic book character. He is a fictional British Special Air Service (SAS) soldier who appears in the games *Call of Duty: Modern Warfare 2* and *Call of Duty: Modern Warfare 3*.
If you are interested in comics featuring characters from the Call of Duty franchise, you might want to look for:
* Call of Duty: Zombies comics: These comics focus on the "Zombies" mode of the Call of Duty games and feature various characters from that mode.
* Call of Duty: Infinite Warfare comics: These comics are based on the game *Call of Duty: Infinite Warfare* and feature characters from that game.
However, there are no known comics that feature Simon "Ghost" Riley.