How do Viltrumites find Mark so easily in a planet as big and populus as Earth? Can they sense each other's presence?
Invincible is an Image Comics and Amazon TV series named for its superhero, "Invincible" ("Mark Grayson"). Created by writer Robert Kirkman with artists Cory Walker & Ryan Ottley. S1, S2 & S3 are out now! Mark Grayson is a normal teenager, except for the fact that his father Nolan is the most powerful superhero on the planet. Shortly after his seventeenth birthday, Mark begins to develop powers of his own and enters into his father's tutelage.