Which company has handled hero mantles better: DC or Marvel?

[Electricmastro]

A thread about hero mantles originally taken on by one character, but were later taken on by other characters, whether they be relatives, associates, alternate-universe counterparts, and so on, and whether you think DC or Marvel has handled and written them better, and why.

Examples of the sorts of hero mantles I’m referring to can include:

DC:

Aqualad: Garth -> Jackson Hyde

The Atom: Al Pratt -> Ryan Choi

Batgirl: Barbara Gordon -> Cassandra Cain

Batman: Bruce Wayne -> Terry McGinnis

Crimson Avenger: Lee Travis -> Jill Carlyle

Doctor Fate: Kent Nelson -> Khalid Nassour

Doctor Mid-Nite: Charles McNider -> Beth Chapel

The Flash: Jay Garrick -> Bart Allen

Green Arrow: Oliver Queen -> Connor Hawke

Green Lantern: Alan Scott -> Jessica Cruz

Hawk and Dove: Hank Hall and Don Hall -> Holly Granger and Dawn Granger

Hourman: Rex Tyler -> Rick Tyler

Manhunter: Paul Kirk -> Kate Spencer

Mister Terrific: Terry Sloane -> Michael Holt

Robin: Dick Grayson -> Damian Wayne

Speedy: Roy Harper -> Mia Dearden

Starman: Ted Knight -> Jack Knight

Superboy: Clark Kent -> Jonathan Kent

Wildcat: Ted Grant -> Yolanda Montez

Wonder Girl: Donna Troy -> Cassie Sandsmark

Marvel:

Ant-Man: Hank Pym -> Eric O’Grady

Black Widow: Claire Voyant -> Natasha Romanoff

Captain America: Steve Rogers -> Sam Wilson

Captain Marvel: Walter Lawson -> Carol Danvers

Falcon: Sam Wilson -> Joaquin Torres

Ghost Rider: Carter Slade -> Robbie Reyes

Hawkeye: Clint Barton -> Kate Bishop

The Hulk: Bruce Banner -> Amadeus Cho

The Human Torch: Jim Hammond -> Johnny Storm

Iron Man: Tony Stark -> James Rhodes

Miss America: Madeline Joyce -> America Chavez

Ms. Marvel: Carol Danvers -> Kamala Khan

Nova: Richard Rider -> Sam Alexander

Power Man: Luke Cage -> Victor Alvarez

Spider-Man: Peter Parker -> Miles Morales

Spider-Woman: Jessica Drew -> Gwen Stacy

Sun Girl: Mary Mitchell -> Selah Burke

Thor: Thor Odinson -> Jane Foster

Wasp: Janet van Dyne -> Nadia van Dyne

Wolverine: James Howlett -> Laura Kinney