Mister Mxyzptlk vs Viper Facts
Creator
John Byrne
Jim Steranko
Universe
New earth
Earth-616
Publisher
DC comics
Marvel comics
In Comics
Superman Vol 2 #11
Captain America #180 (as Viper)
Citizenship
Unknown
Non American
Marital Status
Single
Divorced
Occupation
-
Not Available
Relatives
Not Available
Not Available