History Rewritten In Blood With Invaders In, But Avengers Out! The book has a few more variant covers too in addition to the above. Plus the main cover. …we also get a creators credits page. We open in the past and readers quickly realize that the world didn’t need the Fantastic Four to handle the coming of Galactus and the Silver Surfer as… …the Squadron Supreme of America’s Hyperion took care of the threat once and for all. Hyperion is also Mark Milton, a school teacher, through which we learn of this world’s long standing mystery about what happened to Captain America after World War II.