I don't know...
Iron Man is a great song, but your cover was rather subpar. Or okay at the most.
I can tell you put effort into the song, but the guitar sounded a bit too crunchy, the solo was not perfect, the drums were too quiet, and there was no sense of rhythm in some parts (that wasn't really a major issue though). The biggest problem of this song is the lack of vocals. What's the point of covering a song with vocals if you can't deliver the vocals? Know what I mean? If you don't think you can sing, get a friend. That's what I do in my songs.
To sum it all up, turn the distortion down a little smigit, louden the drums, touch up the solo, and record vocals.