[Added] Missing: Ultimate Spider-Man, Vol. 2 Variants

[Thwip]

Series Title: Ultimate Spider-Man, Vol. 2
Issue Number: 4
Barcode: 7 59606 20796 1 00412
Variant Description: Second Printing
Cover Artist: Marco Checchetto

Series Title: Ultimate Spider-Man, Vol. 2
Issue Number: 5
Barcode: 7 59606 20796 1 00512
Variant Description: Second Printing
Cover Artist: Marco Checchetto

[CLZ_Justin]

Added