| Term | Definition / Meaning / Stand for |
| MEnc |
Marvel Encyclopedia |
| MF |
Mutant Force |
| MFA |
Marvel Fan Art |
| MFan |
Marvel Fanfare |
| MGN |
Marvel Graphic Novel |
| MGS |
Manga Graphic Story |
| MKF |
Master of Kung Fu |
| MM |
Marvel Manga |
| MMB |
Mighty Mutant Battle |
| MMMS |
Merry Marvel Marching Society |
| MPC |
Manga Print Comics |
| MS |
Marvel Saga |
| MSUn |
Midnight Sons Unlimited |
| MT |
Marvel Team-Up |
| MTU |
Marvel Team-Up |
| MUC |
Marvel Universe Chronicles |
| MUni |
Marvel Universe |
| MVS |
Marvel vs. Series |
| MWOM |
Mighty World Of Marvel |
| MWS |
Marvel World Series |
| Micro |
Micronauts |
| Morb |
Morbius |
| NA |
New Avengers |
| NCC |
New Comic Creation |
| NCC |
New Comics Collection |
| NCT |
New Chronicles Tales |
| NF |
Nightfall (DC storyline) |
| NFVS |
Nick Fury versus SHIELD |
| NLP |
Ninja Legends Prophecy |
| NM |
New Mutants |
| NMC |
New Marvel Comics |
| NS |
New Series |
| NSC |
New Star Comics |
| OC |
Original Character |
| OCE |
Omniversal Chronicles Edition |
| OCP |
Original Concept Panel |
| OEX |
Origin Exposed (comics) |
| OFT |
Outlaw Forces Team |
| OL |
Outlaw League |
| OMIX |
Official Marvel Index to the X-Men |
| OMT |
Online Manga Tales |
| OOC |
Out of Context (comics context) |
| OPB |
Original Plot Breakdown |
| Omega |
Omega the Unknown |
| PBF |
Pulp Battle Fiction |
| PC |
Power Comics |
| PCG |
Power Creator's Guild |
| PDS |
Power Defense Squad |
| PGC |
Power Guardian Chronicles |
| PIT |
Power Infinity Team |
| PLOD |
Purple Label of Doom |
| PLV |
Power League Vortex |
| PM |
Pulp Magazine |
| PNE |
Power Nexus Earth |
| PPF |
Power Phantom Faction |
| PR |
Prime Resistance (comic) |
| PS |
Power Saga |
| PSH |
Power Superheroes |
| PX |
Previews Exclusive |
| QAV |
Quantum Adventures |
| QBC |
Quantum Battle Chronicles |
| QBS |
Quantum Battle Saga |
| QED |
Quest for Eternal Darkness (story arc) |
| QF |
Quantum Forces (storyline) |
| QG |
Quest Group (comic team) |
| QGV |
Quest of Galactic Voyages |
| QIW |
Quantum Infinite Worlds |
| QOF |
Queen of Forces (comic) |
| QRS |
Quantum Reality Saga |
| QTI |
Quantum Team Initiative |