No, Gus does not marry Wendy in the Netflix series Breaking Bad.
Gus Fring and Wendy are not romantically involved in the show. Gus is a powerful drug kingpin who maintains a professional and distant demeanor, while Wendy is a recovering addict who becomes involved in the meth trade. Their interactions are primarily focused on business and power dynamics.
Gus is known for his calculated and ruthless approach, while Wendy struggles with addiction and personal issues. Their paths intersect due to their involvement in the drug trade, but their relationship remains strictly professional.