In a few sentences suggest your ideas for a story arc for you favorite books.
Your goal is to make the people reading them think"I could so see that happening."and I'd read that."
Be creative and use cannon.
Here are some of mine.
An accident in Reed's lab causes his power switching device(F.F. #519) to malfunction causing the F.F.'s to each gain one fourth of all the others powers. Suprisingly they find that they all prefer it this way and want to remain but eventually they all have to change back.
Mary Jane is spending some time with Peter in the at Doc Strange's when some extra-dimentional monsters start coming through the walls.While the NA deal wilth the problem MJ grabs a sword off the wall to defend herself. Unfortunately it is the same sword that caused her to turn into Red Sonja back in Marvel Team up all those years ago. Suddenly the demons are least of the NA problems as they must chase the super model turned barbarian through the streets of New York before somone gets hurt.