The John Cena skin is an Epic Fortnite outfit. John Cena was available via the Item Shop for 1500 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite John Cena Skin Details
The Champ... is... HERE!
Fortnite John Cena Skin PNG Images
Here is the PNG images of John Cena below!