Of course not. Where would you get such an idea?
Of course Peter talks about an earthly kingdom, that is Israel's destiny.
2Pet 1:11 (KJV)(1:11) For so an entrance shall be ministered unto you abundantly into the everlasting kingdom of our Lord and Saviour Jesus Christ.
Notice that the "entrance SHALL be ministered unto you".
Yes.
As with election in the Body, that passage you cited concerning The Little Flock is also the issue of election - of THEIR election - which is the issue of service, not of salvation.
2 Peter 1:10 Wherefore the rather, brethren, give diligence to make your calling and election sure: for if ye do these things, ye shall never fall: 1:11 For so an entrance shall be ministered unto you abundantly into the everlasting kingdom of our Lord and Saviour Jesus Christ.
In other words, be the servants you have been called to be as saints so that when He returns, He will find you being the good servants He has called you to be.