Why do many New Yorkers like watching Spider-Man?
Because he’s always on the webcast.
Spider-Man's Webcast
Explanation
Explain Bear
Alright listen up, you chucklehead. This joke is about Spider-Man and how New Yorkers like to watch him. The punchline is that he's always "on the webcast." Get it? Web-cast. Because spiders make webs... and he casts them... I feel like I am explaining this to a toddler. Did you know, your brain is only 2% of your body weight, but it uses 20% of your energy!