User blog comment:Gold-sans mobile/Who is Hulks opponent?/@comment-27255656-20161022101546/@comment-29141999-20161024175551

I'm pretty sure it's been confermed to be Doomsday. Also:

1. Godzilla? Really? What do they have in common?

2. Oh. Dang it, I wanted it to be Broly.

3. That's not really a reson Asura not being in Death Battle.