The best replacement for spawn is ghost rider.

The best alternatives to spawn are rated as following:
★★★★★  ghost rider
★★★  venom
★★  violator
★★  hellboy
★★  kratos
★  deadpool
★  havoc
★  fork
★  f0rest
★  xornet
★  createprocess
  darkness
  alucard
  batman comic
  malebolgia
  redeemer
  carnage
  urizen
  al simmons
  lobo
  dante
  g9x

Your alternative for spawn is not listed? Suggest!
Speaking about spawn, one probably shouldn't forget about diamonds seed.

Other search terms related to spawn and their ratings are:
★★★★★ diamonds seed
expect
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Google Trends

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spawn
ghost rider
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