There are five Avengers teams.
Avengers
Marvel Ultimate Alliance: Yes.
Team Benefit: +5% damage.
Team Members: Captain America, Iron Man, Thor, Hawkeye, Ms Marvel, Spider-Woman.
Marvel Ultimate Alliance 2: No
Classic Avengers
Marvel Ultimate Alliance: Yes.
Team Benefit: +15% Max Energy.
Team Members: Captain America, Iron Man, Thor, Hulk, Hawkeye, Black Panther.
Marvel Ultimate Alliance 2: Yes.
Team Benefit: +15 Max Stamina.
Team Members: Captain America, Iron Man, Thor, Hulk, Black Panther.
New Avengers
Marvel Ultimate Alliance: Yes.
Team Benefit: +5 All Resistances.
Team Members: Captain America, Iron Man, Luke Cage, Spider-Man, Spider-Woman, Wolverine, Ronin.
Marvel Ultimate Alliance 2: Yes.
Team Benefit: +10% All Resistances
Team Members: Captain America, Iron Man, Luke Cage, Iron Fist, Ms. Marvel, Spider-Man, Wolverine.
Secret Avengers
Marvel Ultimate Alliance: No.
Marvel Ultimate Allliance 2: Yes.
Team Benefit: +3 Teamwork.
Team Members: Captain America, Luke Cage, Iron Fist, Cable, Daredevil, Black Panther, Wolverine, Storm, Gambit, Iceman, Jean Grey, Psylocke, Spider-Man, Invisible Woman, The Human Torch.
West Coast Avengers
Marvel Ultimate Alliance: Yes
Team Benefit: None
Team Members: Hawkeye, Iron Man (War Machine costume), The Human Torch, Moon Knight, Spider-Woman (Secret Wars costume).