Final answer:
In Marvel Future Fight, Venom needs Combat type Titan Records to Tier-3 upgrade, which are obtained from high-level content such as World Boss Ultimate Raids.
Step-by-step explanation:
In Marvel Future Fight (MFF), Venom requires a special resource known as Titan Records to advance in the game. These records are a type of advancement material used to Tier-3 upgrade certain characters. Specifically for Venom, the specific Titan Records he needs are classified as Combat type. To acquire these materials, players typically need to participate in high-level content such as World Boss Ultimate Raids where they fight powerful bosses and earn rewards upon completion. The quantity and type of Titan Records obtained can vary based on the difficulty level and the boss being fought. It's important to note that these resources are considered valuable and players often need to plan strategically on how to obtain and use them to enhance characters like Venom.