| Name | Render | Description | Notes | 
| Captain America |  
   | Captain Steve Rogers, a super soldier enhanced by a serum during World War II, later awoken in the present day. |  | 
| Hulk |   | Dr. Robert Bruce Banner, a scientist with dissociative identity disorder whose alter manifests into a large, green monster after being exposed to gamma radiation. |  | 
| Thor |  
   | The Norse god, banished to Earth by his father Odin as a lesson of humility, ultimately becoming attached to humanity and choosing to stay to protect them. |  | 
| Nick Fury |   | Director of S.H.I.E.L.D. and frequent ally of the Avengers. | The current iteration of Nick Fury debuted in the Ultimate Marvel alternate universe, with his likeness being based off actor Samuel L. Jackson, who would later portray him in the Marvel Cinematic Universe. | 
| A-Bomb |   | Rick Jones, frequent sidekick of several heroes but closest to the Hulk, briefly transformed into a similar form known as A-Bomb. |  | 
| Abomination |   | Emil Blonsky, frequent adversary of the Hulk, known for appearing in the 2008 Incredible Hulk film. |  | 
| AIM Agent |   | Nondescript member of the criminal organization Advanced Idea Mechanics, or A.I.M. |  | 
| Ant-Man |   | Hank Pym, a scientist who discovered "pym particles," enabling him to shrink in size. |  | 
| Arnim Zola |   | Frequent adversary of Captain America. |  | 
| Black Panther |  
   | T'Challa, the king of the fictional country Wakanda, and latest to take up the mantle of Black Panther. |  | 
| Captain America (Bucky Barnes) |  
   | Bucky Barnes, close friend and former sidekick of Steve Rogers, who briefly took up the Captain America name. |  | 
| Falcon |  
   | Sam Wilson, close partner of Captain America equipped with special wings, enabling flight. |  | 
| Giant-Man |   | Alternate persona of Hank Pym, designed to expand on the ability to grow. |  | 
| Hydra Agent |   | Nondescript member of the Nazi organization Hydra. |  | 
| Iron Man Mark 1 |   | Tony Stark, a brilliant yet selfish scientist who learned humility after being taken prisoner during the Siancong War. To protect himself while held in a cave, he created the Iron Man armor. |  | 
| Iron Man Mark 16 |   | The sixteenth iteration of the Iron Man armor, codenamed Nightclub, created for stealth operations. | Depicted as black and gray, as opposed to red. | 
| Iron Man Mark 41 |   | The forty-first iteration of the Iron Man armor, codenamed Bones, created to be a lightweight alternative to other armors. |  | 
| Iron Man Mark 42 |   | The forty-second iteration of the Iron Man armor, featured prominently in the film Iron Man 3. |  | 
| Iron Patriot |   | A unique armor intended to be a combination of Iron Man and Captain America, initially created for Spider-Man archenemy Norman Osborn, but later associated with Iron Man ally James "Rhodey" Rhodes. |  | 
| Wasp |  
   | Janet Van Dyne, frequent partner and later wife of Hank Pym, possessing similar technology with added flight capabilities. |  | 
| Kang |   | Frequent enemy of the Avengers and Fantastic Four. |  | 
| Loki |  
   | Brother and archenemy of Thor, known for his manipulative behavior and horned helmet. |  | 
| Moon Knight |  
   | Marc Spector, chosen by the Egyptian god Khonshu, known for possessing several distinct alters. |  | 
| Red Hulk |   | Thaddeus "Thunderbolt" Ross, frequent nemesis of the Hulk who eventually attained similar powers. |  | 
| Red Skull |   | Johann Shmidt, frequent leader of Hydra and archenemy of Captain America. |  | 
| Spider-Woman |   | Jessica Drew, an arachnid themed superhero unrelated to Spider-Man. |  | 
| Taskmaster |  
   | Tony Masters, an incredibly dangerous supervillian with the power to mimic any fighting style. |  | 
| Vision |  
   | An android, initially said to be created from the remains of the original Human Torch, known for his relationship with the Scarlet Witch. |  | 
| Maria Hill |   | Director of S.H.I.E.L.D. |  | 
| Agent Coulson |   | Original character created for the Marvel Cinematic Universe, portrayed by actor Clark Gregg. |  | 
| Leader |   | Samuel Sterns, frequent enemy of the Hulk, known for his incredible intelligence. |  | 
| Hercules |   | The Greek god Heracles, portrayed as a common ally of Thor. |  | 
| Hawkeye |   | Clint Barton, formerly a supervillain of Iron Man before becoming a staple member of the Avengers, known for his skills in archery. |  | 
| Black Widow |   | Natasha Romanova, former Russian spy who defected to the US, becoming a staple member of the Avengers. |  | 
| Iron Man Mark 7 |   | Seventh iteration of the Iron Man armor, used in the film The Avengers. |  |