Here is the Hindi dubbing artist list of Avengers Infinity war movie.
13 characters are confirmed.

1. THANOS – Ninad Kamat
2.NICK FURY – Shakti Singh
3. GHAMORA – Mona Shetty
4. IRON MAN – RAJESH KHATTAR
5. STAR LORD – Rohit Roy
6. Dr. STRANGE – Saptrishi Ghosh
7. SPIDER-MAN – Vaibhav Thakkar
8. VISION – Atul Kapoor
9. THOR – Gaurav Chopra
10. CAPTAIN AMERICA – Joy SenGupta
11. HULK ( Bruce Banner) – Samay Thakkar
12. BLACK PANTHER – Viraj Adhav
13. BLACK WIDOW – Neshma Chemburkar