There is no evidence that Silver Surfer will appear.
No
He was not in the 2012 or 2015 Avengers films but he does appear in Avengers Infinity War [2018] as the guardian of the Soul Stone.
The Silver Surfer did appear in the Guardians comic series, but he is not listed in the credits for the first movie.
In 1996. Created by Jack Kirby.
No. Wasp appears in the stand alone sequel to Ant-Man titled Ant-Man & the Wasp [July 2018] and presumably she will appear in the second half of Infinity War, Avengers 4 in May 2019.
prombly
Different characters have drifted in and out of the Avengers line-up over time. Steve Rogers, also known as the original Captain America, was among them. He will also appear in the Avengers line-up in the upcoming Avengers film.
It will appear in Mt. Silver cave.
infinity
In an evolutionary sence knowledge and the thirst for knowledge is for the purpose of adaption. As we appear to be in a multiple reality (infinity on infinity) the rationalisation of knowledge would seem to be paramount.
A Silver mirror does not appear as ketones cannot be further oxidized unlike aldehydes in which a silver mirror does appear.
They appear at Night time.