From missed lines to murder, the new gag reel has it all. The Avengers are very, very serious heroes with very, very serious jobs. 'Agents Of SHIELD' Season 3: New Sparkplug Promo Released; Lincoln Needs To Find Where He 'Belongs' Or so they would like you to think.

Watch Black Widow turn the Hulk back into Bruce Banner. The Avengers: Age of Ultron's Black Widow knows how to tame Bruce Banner's wild side.

Find out what Coulson will face in the last episode before the 'Age of Ultron' debut. It's time for Agents of SHIELD to roll out the welcome wagon for The Avengers: Age of Ultron.

Joss Whedon teases the final moments of 'Avengers 2' Earth's Mightiest Heroes won't be particularly hungry following the events of The Avengers: Age of Ultron.