User blog comment:JordanLovesLizards/Guess the DBX Ideas/@comment-32295718-20190921153410/@comment-32295718-20190921163928

Gonna make some guesses here and say

7 is Death stroke VS Taskmaster

8 is Akuma VS Kazuya Mishima

12 is Dante VS Inuyasha

13 is Doctor Strange VS Lord Voldemort

And 15 is Deoxys VS Super Skrull