Across
- 5. Guardian famous for saying very little about himself (5)
- 8. Gun-loving, genetically engineered Guardian who resembles a raccoon (6)
- 11. Avenger also known as the Scarlet Witch (5)
- 12. Super-soldier who carries a vibranium shield (7,7)
- 15. Wakandan hero whose mantle was held by T'Challa (5,7)
- 18. Symbiote closely associated with Eddie Brock (5)
- 21. Legendary home of Thor and Loki (6)
- 22. Natasha Romanoff's superhero identity (5,5)
- 24. Android Avenger who once carried the Mind Stone (6)
- 25. Cube that contained the Space Stone in the MCU (9)
- 26. Villain determined to collect all six Infinity Stones (6)
- 28. Green-skinned Guardian and adopted daughter of Thanos (6)
- 29. Winged hero who fought alongside Captain America (6)
Down
- 1. Armoured Avenger whose real name is Tony Stark (4,3)
- 2. Artificial intelligence that became an enemy of the Avengers (6)
- 3. Web-slinging superhero from Queens (6,3)
- 4. Expert archer whose real name is Clint Barton (7)
- 6. Guardian seeking revenge for the loss of his family (4)
- 7. MAN Size-changing superhero associated with Pym Particles (3,3)
- 9. Asgardian hero who wields the hammer Mjolnir (4)
- 10. Mutant able to manipulate magnetic fields (7)
- 11. Winged superhero able to shrink to tiny proportions (4)
- 13. Captain America's red-faced enemy (3,5)
- 14. Thor's famous enchanted hammer (7)
- 16. Superhero team that first assembled on the big screen in 2012 (8)
- 17. Thor's mischievous adopted brother (4)
- 19. Fictional African nation rich in vibranium (7)
- 20. Spider-Man villain known for illusions and deception (8)
- 23. Wise-cracking antihero dressed in red and black (8)
- 27. Green alter ego of Bruce Banner (4)