Old picture when they weren't sexualizing Samus.
No way would that be her height and weight now.
This. Setting aside the argument of which games are canon....
That picture and the statistics it claims come from SM. Unless someone can show me official statistics from a later source that agree with those, this isn't a case of Japanese people not understanding weight. It's inconsistency in her portrayal between the games.
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From his looks Magus is Macho Man Randy Savage as an anime zombie. The black wind howls, and one of you will snap into a Slim Jim ooh yeeeah! -sonicblastpunch