Mit einer Koordinatenliste geht es:
    % https://texwelt.de/wissen/fragen/21545/pgfplots-fehler-bei-listen-verwendung-illegal-parameter-number-in-definition
    % Set Range of t-Values
    \def\Range{-2,...,3}
    % Create List of Coordinates
    \newcommand{\List}{}% reserve name 
    \let\List=\empty% create list
    \makeatletter
    \foreach \t  in \Range
    {
    \coordinate[label=below:$X-\t$] (X-\t) at ($(A)+\t*(B)$); 
    \pgfmathsetmacro\temp{"(X-\t)"}%
      \ifx\empty\List{} \protected@xdef\List{\temp}%
      \else \protected@xdef\List{\List \temp}%
      \fi
    }
    \makeatother
[![alt text][1]][1]
    
    
    \documentclass[margin=5mm, tikz]{standalone}
    \usepackage{amsmath, amsfonts}
    \usepackage{tikz}
     \usetikzlibrary{calc} 
    \begin{document}
    
    \begin{tikzpicture}[]
    \coordinate[label=$A$] (A) at (0,0,0); 
    \coordinate[label=$B$] (B) at (3,1,2); 
    
    % https://texwelt.de/wissen/fragen/21545/pgfplots-fehler-bei-listen-verwendung-illegal-parameter-number-in-definition
    % Set Range of t-Values
    \def\Range{-2,...,3}
    % Create List of Coordinates
    \newcommand{\List}{}% reserve name 
    \let\List=\empty% create list
    \makeatletter
    \foreach \t  in \Range
    {
    \coordinate[label=below:$X-\t$] (X-\t) at ($(A)+\t*(B)$); 
    \pgfmathsetmacro\temp{"(X-\t)"}%
      \ifx\empty\List{} \protected@xdef\List{\temp}%
      \else \protected@xdef\List{\List \temp}%
      \fi
    }
    \makeatother
    
    \draw[red] plot[mark=*] coordinates{\List};
    
    \end{tikzpicture}
    \end{document} 
  [1]: https://texwelt.de/wissen/upfiles/55555555_408.png