Remove cover of the pie crust.
Crush 5 pieces of Oreo cookies and set aside.
In a small bowl, mix cream cheese and sugar until there's no more lumps.
Add in cocoa powder mic until incorporated.
In a small bowl, mix gelatin with warm water and mix until no lumps. Add into cream cheese mixture and mix thoroughly.Add the Oreo cookie leftover and transfer cheesecake mixture into the pie crust.
Decorate with leftover Oreo crushed cookies and freeze.