Stumped by a Marvel supervillain? Get the answer here!

1. Avengers: Infinity
2. Had to collect Infinity Stones
3. Played by Josh Brolin
4. Wiped out half of all life in the universe
5. Introduced in the comic “The Invincible Iron Man #55” (1973)
6. Leader of the Chitauri army in “The Avengers” (2012)
7. Villain in “Guardians of the Galaxy” (2014)
8. Known as the “Mad Titan”
9. Willing to sacrifice loved ones for his mission
10. Superhuman strength and intelligence.