The Avengers Verse Chronicles trilogy

The Avengers Verse Chronicles Trilogy is a film franchise which is part of the 2010's Marvel Animated Universe of Ultimate Spider-Man, Avengers Assemble, Hulk and the Agents of S.M.A.S.H. and Guradians of the Galaxy.

Premise
The trilogy is set between the events of the Avengers: New Heroes’ Time episode Black Friday and the Ultimate Spider-Man and the New Avengers episode Animal Instincts and focuses on the Avengers’ adventures across parallel dimensions they have not yet explored.

Heroes of the Caribbean
Spider-Man and Captain America travel across a Caribbean-like version of their world where they team up with a crew of Pirate versions of the New Avengers and a Sea Military Navy version of S.H.I.E.L.D. to defeat Pirate versions of the Sinister Six and the forces of HYDRA as they prepare to face an unknown powerful threat which frightens the Seven Seas.

Ballad of the Spacemen
Iron Man and Thor travel across an Alien version of Earth where they team up with Intergalactic versions of the Avengers led by Korbinian warrior Beta Ray Bill to save their world from the threat of Ultron (who, in this world, is the leader of the Sinister Six (consisting of himself, Super-Skrull, Grey Goblin, Ronan the Accuser, Loki and Red Hulk) and HYDRA) and stop him from destroying the universe with a powerful weapon known as the Sleeper.

Feral Mayhem
Hulk and Wolverine travel across a Savage version of Earth where they team up with the Savage Avengers (Devil Dinosaur, Moon Boy, Ka-Zar, Zabu, Shanna and savage versions of She-Hulk and Squirrel Girl) to defeat Sauron and free the wild beasts and monsters from his will.