"...wiped my face with a planet" means exactly what it says, from when Thanos brought a planet (actually one of Titan's moons1) down on Tony during their battle in Avengers: Infinity War.
As mentioned by @systemexit in a comment below it could also be a play on the American idiom cleaned one's clock meaning "to trounce one’s opponents". Thanos won (even if ...
Normally, you wipe your face with a towel or a napkin. Also, you normally wipe your own face, unless you are a child. Tony is emphasizing that this "fight" was not a fight at all. Thanos treated him like a child by wiping his face and was powerful enough that he did it with a planet (moon, technically) instead of a towel
Cap is trying to get the conversation back on track and away from Bruce talking to the kids that have approached him. This is made clear with Banner's very next sentence that you included in the question.
Smart Hulk: Right. The whole time travel do-over? Eh, guys, it's outside of my area of expertise.
He says "Right. The whole time ...
She says "please" asking Rhodey to find out where Barton is going next so that she can save him from what he's become
Following is the explanation (the sentences in the brackets indicate what they meant):
Natasha: Will you find out where he's going next?
Rhodey: Nat.... (in a concerned voice asking her to stop tracking
Barton as he's gone, lost ...
It is the 2014 Nebula who makes it back to 2023, 2023 Nebula (the one who initially travels back) is still being held in Sanctuary II. This is made clear by 2014 Nebula's previous line when she first meets Thanos in 2023.
Nebula (2014): Yes, Father. So, this is the future. Well done.
The 2023 Nebula came from 2023 so she would ...
The Continuity Gem has only appeared once in Deadpool Vol. 3 Issue 27, and even then only in the "Continuity Spontinuity" storyline. In it Deadpool finds the Gem which has the power to retcon Marvel comics history and also talk to the writers apparently.
Click images to enlarge.
Deadpool throws the Gem away at the end of the storyline and it hasn't been ...
If you're referring to the TV show, Jessica appears to be a bit stronger. She is shown lifting & stopping vehicles with little effort, whereas Luke must exert himself to lift smaller objects like debris.
In the comic books, however, there is no comparison. Luke, in the comics, is FAR stronger than his wife. According to ...
It can also be a frame challenge. If we are talking about the area in general, Tony was hit so hard his face slid along the ground. If we are talking about a Tony focused concept where he is the center, the planet moved and he was still. Therefore the planet was wiped across his face by Thanos who had the power to move planets. "if the mountain won't come to ...