Well, 'invincible mark and eve fanfiction' could cover a wide range of themes. It might explore their relationship in different scenarios. For example, it could show their adventures together, how they support each other in battles. Mark might use his powers in unique ways to protect Eve, and Eve could use her intelligence to assist Mark. It could also delve into their emotional bond, like how they deal with the pressures of being in a world full of challenges while being in a relationship.
It depends on your taste. If you like superhero comics with complex characters and exciting plots, then you'll likely think it's good. The world-building and character development are quite impressive.
The Invincible comic has indeed come to an end. The story reached its conclusion after a successful run. Fans have had to say goodbye to this beloved series.