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The subject of this article appears in Call of Duty: Black Ops 4 The subject of this article appeared in Zombies mode The subject of this article appears in Blackout
For the Specialist Ability, see Heat Wave.
Heatwave Event BO4

Heatwave was a special event in the Black Market of Call of Duty: Black Ops 4. The event was available between August 30th, 2019 and September 3rd on PlayStation 4, Xbox One and PC.

Black Market[]

Like the Fourth of July special event, Heatwave was a supply stream alongside Survivor Contraband from Operation Apocalypse Z. The event had 15 tiers but only 7 tiers contained a reward with the final tier rewarding players with an Ultra Weapon Bribe which guaranteed a ranged weapon from the Black Market.

The tiers were as follows:

Tier Item
Tier 1 Reserve Case
Tier 2 /
Tier 3 Reserve Case
Tier 4 /
Tier 5 Reserve Case
Tier 6 /
Tier 7 Reserve Case
Tier 8 /
Tier Item
Tier 9 Reserve Case
Tier 10 /
Tier 11 Reserve Case
Tier 12 /
Tier 13 Reserve Case
Tier 14 /
Tier 15 Ultra Weapon Bribe