▁called ▁Met roid s . ▁ ▁Over view ▁ ▁Key : ▁▁ ▁= ▁Does ▁Not ▁App ear ▁ ▁List ▁indicator ( s ) ▁ ▁A ▁dark ▁grey ▁cell ▁indicates ▁that ▁the ▁character ▁was ▁not ▁in ▁the ▁property ▁or ▁that ▁the ▁character ' s ▁presence ▁in ▁the ▁property ▁has ▁yet ▁to ▁be ▁announced . ▁ ▁A ▁Main ▁indicates ▁a ▁character ▁had ▁a ▁st arring ▁role ▁in ▁the ▁property . ▁ ▁A ▁Rec urr ing ▁indicates ▁the ▁character ▁appeared ▁in ▁two ▁or ▁more ▁times ▁within ▁the ▁property . ▁ ▁A ▁Gu est ▁indicates ▁the ▁character ▁appeared ▁once ▁in ▁the ▁property . ▁{ | ▁class =" wik itable " ▁style =" width : 1 1 9 %; ▁text - align : center ;" ▁ ▁| - ▁! ▁row span =" 4 " ▁style =" width : 3 5 %; " | ▁Character ▁! ▁row span =" 4 " ▁style =" width : 2 %; " | ▁First App earance ▁! ▁col span =" 5 " ▁| ▁Met roid ▁Series ▁! ▁col span =" 8 " ▁| ▁Met roid ▁Prime ▁Series ▁! ▁row span =" 3 " ▁style =" width : 9 %; " | ▁Captain ▁N : ▁| - ▁! ▁row span =" 2 " ▁style =" width : 9 %; " | ▁Met roid Zero ▁Mission ▁! ▁row span =" 2 " ▁style =" width : 9 %; " | ▁Return ▁of ▁Sam us Sam us ▁Returns ▁! ▁row span =" 2 " ▁style =" width : 9 %; " | ▁Super ▁Met roid ▁!