Simplify the following text for a Grade 9 native English-speaking person.
Original: Stallone 's career declined considerably after his subsequent films Driven ( 2001 ) , Avenging Angelo ( 2002 ) and D-Tox ( 2002 ) also underachieved expectations to do well at the box office and were poorly received by critics .
Simplified: Stallone 's career declined a lot after the films Driven ( 2001 ) , Avenging Angelo ( 2002 ) and D-Tox ( 2002 ) .