Space question the big bang theory is it conceivable that there was a?

a star that went into super nova one that so large that it was the size as our universe or if not at least equivalent to all of the stars in our universe, combined or larger then even .the stars in our universe are just regiments of the big boy so to Speak that when it went super Nova it created our universe as we now it ..If so wheres the Evidence could it be out side of our know en universe,like is there a big black hole with perhaps millions of universes swirling around if so could it causing a huge gravitational Field and flux in time through out all of space .