'Avengers' cast cement their hand and footprints in ceremony (7 images)

From left to right, president of Marvel Studios/producer Kevin Feige, Chris Hemsworth (Thor), Chris Evans (Steve Rogers/Captain America), Robert Downey Jr. (Tony Stark/Iron Man), Scarlett Johansson (Natasha Romanoff/Black Widow), Jeremy Renner (Clint Barton/Hawkeye) and Mark Ruffalo (Bruce Banner/Hulk), participate in a hand and footprint ceremony immortalizing them in the forecourt of the TCL Chinese Theatre. Photo by Jim Ruymen/UPI

Johansson and Ruffalo participate in the ceremony. Photo by Jim Ruymen/UPI

The "Marvel" superhero cast show their hands after placing them into cement. Photo by Jim Ruymen/UPI

Ruffalo does a hand stand as he participates in a hand and footprint ceremony. Photo by Jim Ruymen/UPI