User blog comment:TheSoulofMelemele/Soul's Top 10 Most Wanted Episodes of Death Battle (Updated)/@comment-28072188-20170601004920/@comment-28072188-20170601005845

10 is Naruto vs Luffy

5 is Sayaka vs Sailor Mercury

2 is Spike vs Star Lord

As for the honorable mention, I'll guess Trunks vs Crono