In the 'Injustice vs Masters of the Universe Graphic Novel', from the Injustice side, you have Superman. He's a very powerful character with his own set of moral dilemmas in this universe. On the Masters of the Universe side, He - Man is a main character. He has great strength and is the defender of Eternia.
One key theme could be the clash of different power systems. Injustice has its own set of characters with distinct powers and moral stances, and when they face off against the Masters of the Universe, there's a struggle for dominance. Another theme might be the exploration of good vs evil in a new context, as both universes have their own ideas of what is right and wrong.
In a 'Young Justice vs Injustice League' fanfiction, the Young Justice team might use their teamwork and strategic skills to their advantage. They are younger and more agile, so they could potentially outmaneuver the Injustice League. For example, Robin's detective skills could be used to find weaknesses in the Injustice League's plans.
Injustice Alliance 2 was an action fighting game set in the DC-universe. There were 38 characters in the game, including members of the Justice League such as batman, superman, and catwoman, as well as villains such as scarecrow and black Adam. Players could play as superheroes or villains, forming their own hero team to fight other players or bosses in the game. The game provided a variety of gameplay and story modes. The story was full of ups and downs and was fascinating. Between each battle, there were appropriate cutscenes to serve as nourishment and supplement, and the cohesiveness was commendable. The game also supported character customizations, allowing players to create the ultimate and unique character. Injustice Alliance 2 had a certain level of popularity and reputation among the fans of the game.
Definitely Superboy from Young Justice. His super strength would be crucial in direct confrontations with the Injustice League. Also, Lex Luthor from the Injustice League as he is a mastermind and his plans would drive much of the conflict.
It depends on your preferences. Some people think it's great for its intense storylines and well-developed characters. Others might not be as impressed.