“Why did the super villain cross the road?”/“To get to the other sidekick.”

“Why did the chicken cross the road?”/“To get to the other side” is a classic riddle from the 19th century. “Why did Batman Frog cross the road without Robin Frog? To get to the other sidekick” is a version that was posted on Twitter by Edward Allan Faine on October 3, 2013. “Why did Batman cross the road?”/“To get to the other sidekick” was printed in The Official DC Super Hero Joke Book (2017).
 
Another “sidekick” version was posted on Reddit—Cleanjokes on April 29, 2019:
     
Q: Why did the super villain cross the road?
A: To get to the other sidekick.
   
     
Twitter
Edward Allan Faine
@WeeklyFrogJokes
Why did Batman Frog cross the road without Robin Frog? To get to the other sidekick!
1:28 PM - 3 Oct 2013
         
Google Books
The Official DC Super Hero Joke Book
By Michael Robin, Sarah Parvis and Noah Smith
New York, NY: Downtown Bookworks Inc.
2017
Pg. 162:
Why did Batman cross the road?
To get to the other sidekick.
 
DC Comics
Batman Day Activity Kit
September 23, 2017
Pg. ?:
Decode the Jokes! 
2. Why did Batman cross the road?
To get to the other sidekick.
 
Reddit—Cleanjokes
Posted by u/gradymegalania April 29, 2019
Why did the super villain cross the road?
To get to the other sidekick.
 
Twitter
keepingitcreel
@Keepingitcreel
Why did the super villain cross the road? To get to the other sidekick.
10:44 PM - 29 Apr 2019