Is DC and Marvel connected ?

The Avengers (2012) by Marvel Studios

Justice League (2021) by DC Comics

Many people ask this question.  Is DC and Marvel connected ?

Which superhero is in both Marvel Comics and DC Comics ? 

So the answer is Axel Asher. 

Marvel Worldwide inc. has rights on Axel Asher 

DC Entertainment also has rights on Axel Asher. 

Axel Asher was just a normal teenager living in New York of Earth-616. His superpower is Dimensional Travel and Time Travel.

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What character is in both DC and Marvel?