Superman has fought alongside her in the Justice League, kissed her, and even fought the Amazing Amazon Wonder Woman.

Superman vs Wonder Woman

Wonder Woman Books
Wonder Woman Clothing
Wonder Woman DVDs
Wonder Woman Toys

Posters
Batman
Blade
Captain America 
Catwoman
Daredevil
Elektra
Fantastic Four
Green Hornet
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Shazam
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Steel
Supergirl
Swamp Thing
Teen Titans
Teenage Mutant Ninja Turtles
Wolverine
Wonder Woman 
X-men