In season 1, every time the title card dropped it perfectly sets the tone for the episode.
E1: "You might as well give up, I'm [TITLE CARD] Mark introduces himself with his name and super suit, optimistic music plays
E2: "Who knows someday maybe we'll work with [TITLE CARD]" Sets up Mark's eventual work with Cecil, his actions as a hero have gained the attention of the GDA
E3: "if this could happen to the guardians of the globe it means that none of us are [TITLE CARD]" obviously sets somber tome, irony of Mark being the one saying this when his father is the murderer
E5: "He calls himself [TITLE CARD]" - said by Titan, sets up this episode will have Mark choosing to help civilians not seeing them as beneath him like his father wants him to
E6: "You're going to be beautiful, you're going to be [TITLE CARD]" Sets up ominous tone for Sinclair's projects which will haunt Mark and Rick over multiple seasons
E7: "Where's Mark Debbie, Where is [TITLE CARD]" - This scene and the entire episode is filled with the tension of Cecil trying to reach Mark before Nolan can
E8: "I truly hope Mark lvies up to his name, to face his father and survive he'll need to be [TITLE CARD]" - Self explanatory, sets up tone for the epic action episode and how Mark will need to not just be physically strong but emotionally invincible to save his father
But in Season 2 the Title Card is very meta and is just used for very cheap jokes too often:
E1: Characters pause before saying Invincible, it was kind of funny the first time but they do it multiple times to the point where it pulled me out of the show
E3: This one uses an Allen the Alien title card, I'm not saying its bad but it being said by a narrator instead of another character organically makes it feel off putting
E4: "You gotta be... [INVINCIBLE]... f@#$ing kidding me" This was another tense and dramatic moment, Nolan revealing he has fathered another child, and a cheap joke that doesn't even make sense undercuts it
E8 "Keep this up you're gonna… you're gonna feel… you'll feel... you'll feel... [INVINCIBLE] like a million bucks." - Again, Mark's family is being held hostage by a psychopath, but instead of giving the title card intro to Angstrom its used as a joke, one that is not even very different from the one they used in E4
I know this is ultimately a nitpick and personal preference, and Seasons 3 and 4 do the title card much better imo, but rewatching Season 2 it was so jarring how something so iconic in the show is done so meta and so poorly compared to the other seasons