Phil Coulson is having a birthday party and invited a bunch of Marvel's most famous heroes.
Your job is to figure out who he invited (I) and who he didn't (N). Typing I or N will either give you the next clue or end the game.
The quiz only requires the following Marvel Comic knowledge: original Avengers, original X-Men, Cyclop's relationship partners, and mutants who are Avengers.
This quiz can be done without guessing. Adjacents and neighbors include diagonals.