From Halopedia, the Halo wiki
Triple Threat is an achievement in Halo: The Master Chief Collection. It is unlocked by passing once, scoring once, and killing at least one enemy in the same Halo 2: Anniversary Ricochet multiplayer match. The achievement is worth 10 Gamerscore and can be unlocked in both matchmaking and custom games. It also unlocks the "Ricochet" Multiplayer Emblem.