Marvel Two-In-One Vol.1 #1
It's monster vs. monster as the ever-lovin' blue-eyed Thing battles the macabre Man-Thing. Plus, the malevolent Molecule Man shows up to make things even worse for our rocky hero.
Printed: Jan 1974
Writers: Steve Gerber
Art: Gil Kane and Joe Sinnott
Cover: Gil Kane and John Romita Sr.