Hybrid/Symbiote Companions is a new hero promo expansion for Marvel United, released for San Diego Comic Con in 2024.

It consists of 13 cards:

3 "Agony" hero cards

3 "Riot" hero cards

3 "Lasher" hero cards

3 "Phage" hero cards

1 Rules reference card

The pack can be played one of two ways.

Symbiotes as Companions: Choose one of the four symbiotes and shuffle their 3 hero cards into your deck and play as normal. Each hero card can be played as if it were your own.

Symbiote Hero (Hybrid): Shuffle all 12 hero cards together to make the Hybrid hero and play as you would any other hero. Take any existing symbiote (Venom, Carnage, Agent Venom, Anti-Venom,, etc.) as your player piece.