A new MW3 update wouldn’t be anything without new weapon blueprints. Use this guide to learn how to unlock the Haymaker Cortex Crusher Weapon Blueprint across MW3, WZ, and even Warzone Mobile.  MW3: How to unlock the Haymaker Cortex Crusher Weapon Blueprint in WZ, and Warzone Mobile To get this new blueprint in Monder Warfare 3 and Warzone, you have to acquire it via the Event Store. Unlike other things like the Mission Control Vest where you have to do the general challenges to earn, the Cortext Crusher is earned by spending on Event Points and Undead Badges at the Event Store. To get Event Points, you have to do weekly event challenges that are new to Season Four. They are as follows: Going Viral Kill Zombies Tech Control  Pluck It By participating in these events, you can accumulate points to earn you the blueprint. Additionally, if you’re playing on Mobile, you must do weekly events as well. Then, when you have enough, as mentioned before, head t...