Captain America #617
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1st appearance of Niko Constantin, the only male trainee of the Wolf Spider Ops program, the male equivalent to the Black Widow program
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1st appearance of Niko Constantin, the only male trainee of the Wolf Spider Ops program, the male equivalent to the Black Widow program
Issue Details
Publisher | Marvel |
Artist | Marko Djurdjevic |
Writer | Ed Brubaker |
Published | June 2011 |