Frequent Marvel Concepts (N-Z)
Nameless Characters
New Uniforms
(The) Odin Force
Odinsleep
Old Power
Omega-Level Mutant
Organized Crime
Origin Story
Penance Stare
Power Cosmic
Public Domain Characters
Pym Particles
Real World Stories
Retcon
Scientist Supreme
Secondary Mutation
Sidekick
Sky-Father
(The) Superhero Funeral
Super Hero 'Retirement'
Superhero Costumes
Superpowers
Suspended Animation
Terrigenesis
Terrorism
Time Travel
Uni-Power
Vampires
Voodoo
Werewolves
Wolverine's Claws- usually when they are revealed to be able/unable to cut a metahuman/object eg Cap's Shield/Thor's Hammer
Women in Comics: strong female characters making strong decisions, or accomplishing revealing feats
Women in Refrigerators- overtly dramatic killing off of a female character
X-Gene
Zombies