On Fri, 19 Dec 2014 21:07:02 -0500, Wayne.B
wrote:

After careful observation I have concluded that trying to heat up cold
boiled eggs in a microwave oven is not a good idea. My wife agrees.

Any suggestions?

Are you trying to do this without peeling the egg? I'd cut the egg up
a bit and just use the defrost cycle for about 15 seconds. You just
need it warm, not hot.