Origin   

With a very mysterious and vague beginning, the man known as Conundrum, has a past even he does not know. Taken in by the the much more famous illusionist Mysterio, Conundrum was trained trained by Quentin Beck's (Mysterio) cousin Maguire Beck in the ways of illusions and parlor tricks.  
 

Creation

Created by J.M. DeMatteis, Luke Ross, Dan Green and Al Milgrom, Conundrum first appeared in The Spectacular Spider-Man #257
 

Powers and Abilities

Conundrum has no superpowers, however utilizes several stage parlor tricks and special effects to aid his goals.