If you enter another universe at point A in its timeline, then can you subsequently enter another point, Point B, in its timeline previous to point A? Would not doing so produce a Grandfather paradox? You might be able to enter point B if you don't first enter a point further into its future. DE
Let's see the maths. I suspect that you don't know what you're talking about. Oh, reported; this is neither Physics nor Maths - it's baseless speculation (or, possibly, drug-based speculation).
