Compu-M.E.C.H. Mechanically Engineered and Computerized Hero Volume 27: The End?!

This page-turning graphic novel starts out with a short story about The M.EC.H. Unit having to hunt down a finally kill an anti-hero named The Indestructible Man. At the end who really wins? Then The M.E.C.H. Unit and The Atomizer must defeat a villain so powerful that if he is even punched or hit even once his entire body will detonate with enough power to take out everything from NYC to the Mississippi. How can Tommy possibly defeat Mega-Boom? Will he need to make the ultimate sacrifice to save everyone he loves and many more? Is this the end of the Compu-M.E.C.H. Program and the entire world as we know it?