With the father/son dynamic, they've limited themselves to the following plot devices:
1.) Dad is a deadbeat or Son hates Dad's career, but after an unforunate event where he is forced to team up with his father, they bond and share a loving relationship.
a.) Son gets kidnapped; Dad must rescue him.
b.) Dad gets kidnapped; Son must rescue him.
2.) Son is a clone of Dad, but has no association with him due to him either being recluse or not approving of his son's torch baring.
a.) Son gets kidnapped; Dad must rescue him.
b.) Dad gets kidnapped; Son must rescue him.