The Mortal Thor #4 (Variant Cover by Alex Ross) is a single comic book issue published by Marvel Comics in 2025. The variant cover features artwork by Alex Ross depicting the character Thor. This comic book is part of the series titled "The Mortal Thor" and is intended for a general audience. With a focus on superheroes and set in the Modern Age era of US Comics, this issue is sure to be a collectible item for fans of the Marvel Universe.