The 44-year-old, who plays The Hulk/Bruce Banner in the comic book company's latest movie, had a great time working on the star-studded motion picture, reported Contactmusic.
"The experience was great, I really had a great time, it was fun. When we got the script I thought it was great and then we kept getting re-writes and each one just got infinitely better.
"It's getting tighter and better, but it's nothing compared to seeing the movie for the first time. I was so impressed and blown away at how much he packs into this movie and how exciting it is and what a great ride it is," Ruffalo said.
The actor said he was impressed with how much director Joss Whedon managed to fit into the two-hour 20 minute motion picture. PTI AYM
RCJ