Which superhero is in both Marvel and DC ?

Marvel's The Avengers :- Superhero Team

DC's Justice League :- Superhero Team

Many people ask this question. Which superhero is in both Marvel Comics and DC Comics ? 

So the answer is Axel Asher 

Marvel Worldwide inc. also has rights on Axel Asher 

and 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. 

Marvel DC Crossover