Put Ibanez Mikro neck on a different bass?

pretty much not a chance. the only thing that would come close to fitting would be another ibanez mikro body.

 

I wish they made a Mikro with the Power-Pole pickup, like they use in the GSR100.
All you need to do is look at their specs online & you'll see that the Mikro neck is narrower at the heel.

Heck, I just swapped necks on two GSR100 & even they weren't a perfect match.
I had to pull the neck into the right position on one (too loose), and barely was able to squeeze it in on the other (too tight).

 

The other bass would have to have the same scale length and number of frets. And the neck pocket would have to be the same width, length and depth.

In theory if you found one with a similar pocket you could move the bridge. Maybe. Or get a custom body made.

You could also route a new pickup cavity for one or both of the existing pickups and cover the old hole(s) with a pickguard. Or leave them open.

But your best solution is to improve your right hand technique until you don't hit the pickups when you play.

 

If you have even moderate woodworking skills, building a bass body isnt particularly difficult, and routing new pup locations is even easier. The distance from bridge to nut is fixed, the body shape is determined by ergonomics and personal taste. The Mikro is a great little mod platform, so mod it!