Disney's Cruise line restaurant will show an "exclusive" scene with America Chavez, Cassie Lang and Riri Williams

Basically, this is an restaurant auboard the Disney cruise ship offering "interactive shows and entertainment headlined by Marvel Studios stars".

In the new scene, the trio are seated at a table on the upper deck of the Disney ship. Since they have been eating, the clip may be a callback to The Avengers post-credits scene.

While this article does clickbaity "Young Avengers" speculation, the video shown at a press screening can be viewed there. Also includes this statement:

"We are kind of in our own theme park universe, and the Multiverse concept's great because we're a Variant of the main MCU timeline, so it helps everyone understand that."