Rock'em Sock'em Robots Question
 

Greetings from New Jersey! So I found a set of Rock'em Sock'em Robots in the original box and instructions are included. The problem I'm having is I can only seem to find versions with the blue and green robo. My version is Grey and Blue with Red ropes. Does this mean my version is rare? Could anyone tell me more details on this please?

Photos attached. Thanks to all for taking the time to look at this.

From Wikipedia

"For a period of time in the mid-1990s the blue robot was changed to a darker shade of blue and given the old PROG-2 head. The red robot was changed to a grey color (Though the instructions referred to him as "silver"), but retained his classic head. Their respective names were changed to "Bolt Crusher Bob" and "Gear Grinder Greg". As in Clash of the Cosmic Robots, stickers and decals were provided for additional design. Aside from the cosmetic changes, the game remained the same."