[1][2][3] Although T-ara is officially credited on the single, only Eunjung and Hyomin participated in the song.

[4] The single, like its predecessor "Woman's Generation", were written by K. Smith while production and composition was handled by Cho Young-soo.

The song was an instant hit, with "Wonder Woman" peaking at number six on the Gaon Music Chart, and ranking at number 21 on the year-end Gaon chart in 2010 with 2,301,658 sales.

WSG Wannabe performed "Wonder Woman" (along with "Women's Generation") at their first concert, which was broadcast by MBC.

[5] According to Nielsen Korea (reported by MBC News), the highest rated part of the concert was the cover songs performance which achieved a rating of 7.0%, and videos of the performance exploded with popularity online, earning over 4 million views.