Who's more powerful Mephisto or Malebolgia or Spawn?

Who is the badest demon in hell

Measuring each in their home realm, Mephisto by a big lead.

^cosigns mephisto.

here's some reference why:

earth x saga
infinity saga
x-men "inferno"

it's pretty fuq'd up how blackheart defeated this dude

meph reclaimed his realm recently