The original reddish cover was recolored. Whilst the background still has the reddish tone, Vision is already colored in the usual yellow and green. The cover from Avengers #82 (UK) comes closest, although the background does not match.
Page 3, 2nd to last panel was redrawn by Marie Severin. Info from interview with Roy Thomas in Alter Ego #50, July 2005, page 18.