Trivia

In the rosier days of Facebook, Mark Zuckerberg thought about using a J.A.R.V.I.S. style voice for an artificial intelligence system in his own home. Seems like a dicey proposition to us, but at least he's not using Ultron's voice
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When James Spader (who voices the nine-foot Ultron) had to be in live action shots, he wore two antennae on his shoulders that ended in red balls, showing where Ultron's eye's would be. We bet that's a good look.
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The sneaky filmmakers had to use a lot of body doubles during Scarlett Johansson's (Black Widow) scenes in order to hide her baby bump. She was pregnant at the time of filming.
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It runs in her blood. Elizabeth Olsen (Wanda Maximoff) is the younger sister of the Olsen twins (Mary-Kate and Ashley) who gained fame as the child stars of the TV show Full House.
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