Choose from options: Determine if the sentence is true based on the text below:
Thor has sold the least copies

In the Ultimate Marvel Universe, Thor (Thorleif Golmen) is a fictional superhero based on the Marvel Universe version of Thor. Thor is the Asgardian God of Thunder based on the deity of the same name of Norse mythology and a founding member of the Ultimates.

 -- Yes
 -- It's impossible to say
 -- No
It's impossible to say