User blog comment:SuperSaiyan2Link/Be Honest/@comment-27822848-20150115002711/@comment-27822848-20150115003319

That might just be it - Taking out Captain Planet's healing is alright, but the fact is that it's another Goku vs. Superman. Aang still isn't at his limitless state, whereas Captain Planet is. Also, using Smash Bros. Ness is contradictory to canon, which is NEVER good in Death Battle.