In Lego Marvel Superheroes, you can change the character’s appearance by using the costume editor. To start, open the game and select your character from the list on the left. Then, click on the edit button to change their appearance. There are a few things you need to do in order to make your character look more like their comic book counterpart. First, choose a color for your costume. This will affect how your character looks in-game and also affects their abilities. Second, choose a hairstyle. This will affect how your character looks and also affects their abilities. Finally, choose a color for their skin tone. This will affect how they look in-game and also affects their abilities. If you want to make your character look more like an Avenger or less like a Hulk, there are a few things you can do. First, choose an Avenger Costume from the list on the left and then click on it to open up its details. Then, select an ability that matches what you want your character to have (Avengers have many abilities). Finally, click on save as to create a new Avengers Costume file that you can use in-game or export as an image for future use!