Why do superheroes wear capes? Fashion! The aerodynamics actually do not help - they billow dramatically in every direction at high speed. The cape is entirely for visual impact and has excellent theatrical value.

Why does no one recognize Clark Kent as Superman? The glasses! This is technically the most successful disguise in the history of fiction. Nobody looks beneath the frames. The glasses are doing extraordinary work.

What does Spiderman use his spider sense for? Detecting danger! And also presumably knowing when someone is about to bump into him on the subway, which would be extremely useful for anyone in a city.

Why is everything Batman owns black? Tactical stealth! The black car, black suit, black cave. Also a strong aesthetic commitment to darkness that defines his entire brand. His interior decorator had a very specific brief.

Why do the Hulk pants always survive when everything else is destroyed? This is the single greatest unsolved mystery in superhero physics! The pants have survived more structural stress than any garment in recorded history.

How many Iron Man suits are too many? Tony Stark considers this a trick question! The correct answer is: one more than he currently has. The collection is a work in progress and the workshop is always running.

Why does Wonder Woman have an invisible jet if she can fly? Nobody has asked this out loud in her presence because the answer is probably excellent and also she is Wonder Woman and questions are inadvisable.