Amidst the Civil War, Spider-Man watches the Avengers battle each other from a nearby roof and wonders which side is the morally "correct" one.
I fashioned Spidey's suit based off the alleged "Civil War" hoodie that was released a couple of weeks ago:
This is how I would imagine Spider-Man may initially get acquainted with the Avengers.
Is it better to join Team Stark in order to collaborate with and respect the governing authorities of the nation, or is it better to join Team Cap to maintain a sense of integrity, after seeing in the past how authority can be used to corrupt society (and how it might do the same with super heroes under it's watch)?
Uncle Ben's word reassure him that he will always have a choice, but the decision must be made wisely; for if he uses his great power to vouch for the wrong side, he's responsible for any negative consequences that follow.