Did Loki put Thor up to this?
The "Iron Man" star honored his 52-year-old "brother" with a heart-wrenching post that was seconded by many in the Marvel Universe.
The actor's friends couldn't have been less impressed with him becoming a superhero.
After breaking Thanos, Captain America decided to break Twitter, too.
Marvel star Anthony Mackie reveals that elderly Captain America was originally going to look a bit different.
"I'm gonna need you to stop making me fall in love with you," one fan wrote.
Pom Klementieff's video includes a "Mission: Impossible" cameo and a penis joke that's the "Endgame."
Chris Evans and Olympic gold medalist Aly Raisman had a puppy play date for their rescue dogs.
The president didn’t want to assemble for a meeting, the “Avengers” star said.