I have the omnitrix, I think?

A boy named Alex gets reincarnated in the Marvel
universe as a mutant. As a mutant, he faces a lot of discrimination and hate. But his parents were always there for him. But on day while coming home from his school he sees a group of heros fighting a army of aliens . He realises that they are the avangers and he is in the marvel universe. But
the he sees that while fighting the hero's distract a huge leviathan towards a building in which his parents were traped. He then witnesses his parents and the only close people in the world die. he becomes angered towards the hero's and swears to avenge his parents.
Then, after the fight he ran In to forest where he stayed the night. Will sitting near a tree he sees a bright star falling towards him. he runs to take cover. but the object fell on him and he went unconscious . After waking up he saw he had a watch which he thought was the omnitrix. but it is something much powerful.
will he use this watch and its unknown power to take revenge on the hero's and go down a dark path or will become a hero and goes down a path of justice?!