Thread:Shabook/@comment-24265044-20160621060946/@comment-112155-20160621200809

Taken directly from our Manual of Style
 * [...] Phrases like "It is unknown" or "At some point in his life" are greatly discouraged, as from an in-universe point of view, [...] the point marked as "At some point in his life" can surely be exactly pointed to by someone related to the event.
 * Also, many writers tend to start paragraphs using the format "After (insert event here)", "When (insert character here)", "During (insert event here)" or similar choices of words. Those formats are greatly discouraged in the Marvel Cinematic Universe Wiki.

Your edit:
 * ''At some point before his prison stay, Scott Lang worked for Vistacorp. After discovering that the corporation was overcharging customers, he attempted to fix it and was chastised for it. Shortly after, he complained to the Vistacorp HR department, and was fired.