The image shows Northstar on one keen as he proposes marriage to Jinadu, who does not have superpowers, the Hollywood Reporter said.
The online auction is being conducted by the representative for artist Mike Perkins and includes his five preliminary sketches as well as the final drawing, which hit the news stand son May 22.
The wedding is expected to take place in issue 51, which will arrive in stores in late June.
Gay characters are finding favour in Comics these days. DC comics recently announced that its superhero Green Lantern is gay. Similarly, Kevin Keller became the first openly gay character in Archie comics.
