While looking for a way back to Earth, the Hulks discover the Leader stowed away on board the ship. Retribution must wait as the Agents of S.M.A.S.H. have to fight Ronan the Accuser and his Kree soldiers to save an old foe: Ego the Living Planet. But when Galactus comes to consume Ego the Living Planet, the Agents of S.M.A.S.H. must put themselves at risk to save the lives of their two enemies.

The Hulks want retribution against the Leader, who is stowed away on their ship, but their plans change when they realize their old foe, Ego the Living Planet, is in danger from Ronan the Accuser and his soldiers looking to destroy him.

The S.M.A.S.H. Agents find themselves working with the Howling Commandos of Nick Fury in order to stop the next attack from Dormammu, who plans to break into their dimension and turn everyone into Mindless Ones and help expand his forces.

The Hulks must face each of their greatest fears in order to stop the Null from crossing through a worm hole to reap ruin upon Earth.

The Agents of S.M.A.S.H. team up with their old friends the Guardians of the Galaxy to stop the Skrulls from using the Hulks' gamma powers to create super-powered Skrulks!

The Hulks finally return to Earth only to discover that they're centuries too late as the High Evolutionary devolved all humans into primitive beasts. He devolves the Hulks too, but Skaar is unaffected and steps up to save the team and all of mankind.

When A-Bomb brings an alien aboard the ship, he puts the team at risk when it starts taking over, jeopardizing the team's only shot at getting back to Earth.

When the team triumphantly returns to Earth, despite being accused of destroying Vista Verde, they find the town under rule of a new general: General Abomination.

When the Leader blows Devil Dinosaur up into gigantic proportions and lets him loose on New York City, it's up to Spider-Man and the Agents of S.M.A.S.H. to stop him.

When the other Hulks try to leave A-Bomb out, he starts to doubt his strength as an agent of S.M.A.S.H., and realizes that he must use his other attributes to help the team when the Hulks are challenged by Xemnu the Titan, an intergalactic fighting champion. Find out if the Agents of S.M.A.S.H. can defeat Xemnu and prevent him from destroying the Earth.

When the Hulks are framed by Abomination for attacking the S.H.I.E.L.D. Tri-Carrier, they must face evil gamma-powered doppelgangers of themselves in order to save Nick Fury.

The Hulks are locked up by Abomination in the super villain prison where many of their enemies now reside.

The Agents of S.M.A.S.H. track the Leader to a deserted island but get stuck in a deadly maze, where they are forced to battle the Hulk's dark side -- in physical form.

Hulk reluctantly fills in as Mayor of Vista Verde while Red and Skaar leave the team to start their own webcast as super villain bounty hunters - their first target: Abomination.

While saving Earth from a potentially catastrophic meteorite, the Hulks come face to face with a future version of Hulk who might not be the hero they think he is.

The Hulks travel to ancient Greece and team up with Hercules to stop Pluto from turning everyone on Earth to stone.

Hulk allows himself to be turned back into Bruce Banner but then struggles with the decision when Ronan launches an alien attack.

The Agents of S.M.A.S.H. attempt to help Iron Man subdue Mainframe in a gladiatorial roller derby game for the fate of the planet, but are faced with a challenge when they discover only She-Hulk knows how to skate.

Hulk chases Leader back in time to the Jurassic era, but their actions result in present Earth being taken over by dinosaurs. Hulk battles Leader in the past to save all of time.

Hulk follows Leader back in time to the Viking Era and teams up with young Thor and Loki. The Agents of S.M.A.S.H. fight to stop "All Father" Leader from taking over the planet.

Hulk follows Leader back in time to the Victorian era and unites the Howling Commandos against Dracula, who wants to shroud the Earth with Leader's gamma cloud, allowing vampires to prey night and day.

Chasing Leader through time to WWII, Hulk teams up with Captain America to stop Red Skull. In the present, the Agents of S.M.A.S.H. fight to free the world from HYDRA.

Hulk reunites with Agents of S.M.A.S.H. and is whisked into the future.

While escorting Abomination to stand trial for his crimes, the Hulks run into Ghost Rider, who has come to make both Abomination and Red atone for the wrongful deeds of their past.

The Agents of S.M.A.S.H. and the Avengers must work together to free Hulk from the Supreme Intelligence and prevent the destruction of Earth.