Blattor

The Blattor is a creature native to an unnamed swamp planet or Thanos' World.

Biology
A Blattor is a one and a million stage that a Blattru can evolve into. When undergoing this phase, a Blattru will grow into huge proportions until becoming a gigantic arachnid creature. As a Blattor it is a creature that can survive in the vacuum of space. With a little bio-mechanical manipulation, it can become a living space vessel.