Kojima is currently working on 'Death Stranding 2'
Chalamet parodied Sivan in a skit last week
The actor recently appeared in a Scorsese-directed perfume ad
'Wonka' will be out in theatres on December 15
Chalamet called Sivan a "moisturised Machine Gun Kelly" in the sketch
Timothée Chalamet and Boygenius will appear on the show next month
It also offers a glimpse at Wonka's world-famous chocolate factory