Marvel Two-In-One
Marvel.
Essential Marvel Two-In-One 1 (Marvel Feature 11-12, Marvel Two-In-One 1-25 and Annual 1; and Fantastic Four Annual 11; w Len Wein, Mike Friedrich, Steve Gerber, Chris Claremont, Roy Thomas, Bill Mantlo, Roger Slifer, Marv Wolfman, Scott Edelman, Tony Isabella & Jim Shooter; a Jim Starlin, Gil Kane, Sal Buscema, George Tuska, Herb Trimpe, Bob Brown, Ron Wilson, Arvell Jones, Dick Giordano, Mike Esposito, Dave Hunt, Sam Grainger, Marie Severin & John Buscema). [From Marvel Comics: The Thing can't stay out of trouble, but at least he makes friends wherever he goes. The Ever Lovin' Idol o' Millions teams up with both heroes frontline and forgotten against menaces spanning time and space. God! Aliens! Demons! Dinosaurs! Time travellers! Martial artists! The Living Eraser and the Mountain That Walked Like a Man! A veritable who's who of history's horror heroes.] 
Essential Marvel Two-In-One 2 (26-52, Annual 2-3;; w Marv Wolfman, Roger Slifer, Tom Defalco, David Anthony Kraft, Ralph Macchio, John Byrne, Peter Gillis, Alan Kupperberg, Bill Mantlo, Mary Jo Duffy, Steven Grant, Jim Starlin; a Ron Wilson, John Buscema, Ernie Chan, Sal Buscema, Bob Hall, Alan Kupperberg, Chic Stone, Frank Miller, Jim Craig).
[From Marvel Comics: Cosmic calamities, espionage, black magic, time travel, alien gangsters and martial-arts madness: Benjamin J. Grimm can handle it all, but he won't have to face it alone! Stars old and new shine when the thunderous Thing joins them against many of the most magnificent menaces the Marvel Universe can offer! Invasions, impersonations, assassinations and transformations! Plus: when heroes play poker! Guest-starring Captain America, Daredevil, Ms. Marvel, the Black Panther, Moon Knight, Spider-Woman and more!] 
The Thing: The Project PEGASUS Saga (53-58; w Mark Gruenwald, Ralph Macchio; a John Byrne, George Perez) 