Can you name the Marvel Heroes By their Symbol? Test your Entertainment Quiz / Marvel Heroes By Symbol. Random Silhouettes: Marvel Superheroes. randrbq.net is the source for Marvel comics, digital comics, comic strips, and more featuring Iron Man, Spider-Man, Hulk, X-Men and all your favorite superheroes. Avengers · Deadpool · Guardians of the Galaxy · A-Bomb (HAS). If you're brewing up a superheroes party, here is a list of sites that offer free superhero printables that you might just love to print and use. But before browsing.