you're Markus was born from a Viltrumite female named Anissa who took Invincible by force. She later regretted the decision and married a human man but hid her son from Invincible until later. Markus would meet his true father when he was only a few years old and learn of his origin as one of the Viltrumites. A after Mark aka Invincible left to become Emperor to the Viltrum empire now. It up to Markus to be the new hero now in this legacy. As the new hero....All Might