Thanos's crusade began on his home planet of Titan, where he once was a member of an advanced and peaceful society. However, as Titan's population grew, so did its problems—poverty, famine, and eventually, collapse. Witnessing his world's downfall led Thanos to a profound, yet skewed conclusion: that the universe's resources were finite and that half of all life must be eradicated to save the other half.
Thanos's crusade began on his home planet of Titan, where he once was a member of an advanced and peaceful society. However, as Titan's population grew, so did its problems—poverty, famine, and eventually, collapse. Witnessing his world's downfall led Thanos to a profound, yet skewed conclusion: that the universe's resources were finite and that half of all life must be eradicated to save the other half.