‘Avengers: Endgame’: What you need to know before you see it

If you don’t have time to binge 21 Marvel films, take 90 seconds to learn how we got to “Avengers: Endgame.”

For more on this story: https://bit.ly/2L0dmx9
Do you like what you see? Subscribe to our YouTube channel: http://bit.ly/1xa3XAh
Like USA TODAY on Facebook: https://www.facebook.com/usatoday
Follow USA TODAY on Twitter: https://twitter.com/USATODAY