Flat or Globe Earth?, page-905

Mal 4:2 says nothing about "paths".

Isa 2:3

orach: paths, way, path

Original Word: אֹרַח
Part of Speech: Noun Masculine
Transliteration: orach
Pronunciation: o'-rakh
Phonetic Spelling: (o'-rakh)
KJV: manner, path, race, rank, traveller, troop, (by-, high-)way
NASB: paths, way, path, ways, caravans, course, highways
Word Origin: [from H732 (אָרַח - goes)]

1. (literally or figuratively) a well-trodden road
2. (also) a caravan

Strong's Exhaustive Concordance

manner, highway

From 'arach; a well-trodden road (literally or figuratively); also a caravan -- manner, path, race, rank, traveller, troop, (by-, high-)way.

Many people shall come and say, “Come, and let us go up to the mountain of the LORD, To the house of the God of Jacob; He will teach us His ways, And we shall walk in His paths.” For out of Zion shall go forth the law, And the word of the LORD from Jerusalem.

No mention as in new various paths to come, but the one already laid, away from the foundation of the world - ex - Rev 13:8

Hence it appears, you are making a meal out of one letter - "s".
But never the less, the path's God has already laid, the one of - Rev 13:8 for example - Known figuratively as the beginning and end.