In X-Men, Peter Maximoff is introduced. They also called him Quicksilver. But then in Avengers, his name changed to Pietro. Why did it change? - Quora
![Avengers: Age of Ultron' director Joss Whedon, actor Aaron Taylor-Johnson on using Quicksilver after 'X-Men' flick Avengers: Age of Ultron' director Joss Whedon, actor Aaron Taylor-Johnson on using Quicksilver after 'X-Men' flick](https://www.nydailynews.com/resizer/KSNda1sw1tXodl0pHGS69SrdI1k=/1200x630/filters:format(jpg):quality(70)/arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/IAFYSELEBK24OUHQW6TP4YSST4.jpg)
Avengers: Age of Ultron' director Joss Whedon, actor Aaron Taylor-Johnson on using Quicksilver after 'X-Men' flick
![In X-Men: Days Of Future Past, during the Quicksilver scene, you can see while he runs across the walls he actually damages them from how fast he is going. : r/MovieDetails In X-Men: Days Of Future Past, during the Quicksilver scene, you can see while he runs across the walls he actually damages them from how fast he is going. : r/MovieDetails](https://preview.redd.it/deu6vgqmg7x21.png?auto=webp&s=f4f3248b99e2c0feaa20b78e35dd8ad9e76fa11d)