Potential Any% Route w/ KRE

ISG
Enter File
Cranky's
Cancel 0:55 ISG Fadeout with entry into Orange Barrel
Orange Barrel (For fadeout cancelling into a level lobby)
Cancel 1:25 ISG Fadeout with entry into Barrel Barrel
Barrel Barrel (For Lanky Phase. Other Training Barrels may be required depending on FBW)
Escape Training Grounds
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Enter any T&S to clear FTT (Use fadeout cancels to get there without fading into ISG. T&S will probably be Caves Snide's)
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Pause Exit Level (From the T&S)
Pause Quit (Manual Save if necessary)
Diddy TV to give Diddy Guns
Jetpac to give moves
Wait in Main Menu for cutscene to pull you into the game
Escape Training Grounds
Telegrab to Snide's Room
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Use Bonus Barrel to store parent map (The mechanics behind the trick is to trigger a bonus barrel entry, and then enter a LZ. Execution of this has not been done yet, and there is no clear method that we know of that doesn't require additional lag [something that we cannot rely on for VC]. If additional moves are required to execute the trick, then the route will obviusly change to accommodate this).
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Enter any level and then enter any T&S (Galleon may be the best candidate with 2DS T&S. Caves & Snide's T&S is also another good candidate).
Out of Bounds Movement to perform K Rool Early
K Rool