Team Up Buff Effects

The following effects just occur when you team up at least 2 related necessary heroes. Also, if your hero with this passive effect die before its first turn, the buff will generally not occur or may be removed.

Avengers Assemble
This buff occurs after the first round of your Avengers Member when it's using its alternate uniform.

Heroes/Agents summoned using distress calls will grant your team Avengers Assemble.

Coordinated Attack also gets activated on attacks made by heroes/agents summoned using distress calls.

Future Countdown
This buff countdown starts after the first action of two of the related heroes and you need at least two Future Foundation members with their respective alternate uniforms.

Related Heroes
On round 4, all remaining allies will get a passive buff The Future is Now:

Smartest Man in the Room
This buff activates if Hank Pym (or Spider-Man with Inventive EISO-8) is paired with another related hero after each round new Analysis is triggered. The effect of the paired hero is the same as Hank Pym.

Warriors Three
This Special Property is attached to Warriors Three and provide the effects of Elixir of Recovery ability from others Warriors Three. The self effects are, and. Each of them has a unique team effect that also triggers.

Uncanny X-Force
Uncanny X-Force members have a Team Up Buff. Each one of them provides the effects of their passive for their own and for other Uncanny X-Force members:

Guardians of the Galaxy
Guardians of the Galaxy members have a Team Up Buff. Each one of them provides the effects of their passive for their own and for other Guardians of the Galaxy members:

Runaways
This buff starts after the first action of two of the related heroes and you need at least two Runaways members.

Related Heroes
All remaining allies will get a passive attack buff Try Not To Die:

Avengers: Age of Ultron
Avengers: Age of Ultron members have a Team Up Buff. Each one of them provides the effects of their passive for their own and for other Avengers: Age of Ultron members: