| Comic book heroes originally called the Merry Mutants | 53 |
| Comic book debut of 1963 | 24 |
| 2006 movie subtitled "The Last Stand" | 47 |
| 2000 sci-fi film | 16 |
| 2000 movie based on Marvel Comics characters | 44 |
| 2000 Hugh Jackman movie | 23 |
| 2000 Hugh Jackman film | 22 |
| "Uncanny" superhero group | 35 |
| Mourning comic book mutants? | 28 |
| Marvel Comics series, as of February 2008 | 41 |
| Any of five Wolverine films | 27 |
| The rest of the algebra problem | 31 |
| Web language, briefly | 21 |
| Web data format | 15 |
| Web coding system | 17 |
| Internet script designed to be human-readable | 45 |
| Satellite service since 2001 | 28 |
| Sirius' pending merger partner | 34 |
| Sirius merged with it in 2008 | 29 |
| Satellite-fed car option | 24 |
| Satellite-based car option | 26 |
| Satellite service | 17 |
| MLB Play-By-Play station | 24 |
| Bob Dylan employer | 18 |
| AOL entertainment offering | 26 |
| "Siriusly Sinatra" airer | 34 |
| "Oprah & Friends" airer | 37 |
| Some satellite radios, once | 27 |
| Some satellite radios | 21 |
| Murderous mark from the Mafia | 29 |
| William Jennings Bryan delivery of 1896 | 39 |
| Mexican hairless dog | 20 |
| Pencil game loser | 17 |
| Losing row | 10 |
| Unhelpful noughts-and-crosses line | 34 |
| Toss Across loser | 17 |
| Tic-tac-toe flop | 16 |
| Losing tic-tac-toe combo | 24 |
| Losing line in Toss Across | 26 |
| Kiss and hugs, in a love letter | 31 |
| Intimate email sign-off | 23 |
| Game line | 9 |
| Cat's game row | 18 |
| Tic-tac-toe choice | 18 |
| Tic-tac-toe option | 18 |
| Tic-tac-toe choices | 19 |
| Navy-ship V.I.P.'s | 22 |
| Zulus' kin | 14 |
| Strike from a list | 18 |
| Strike off a list, in a way | 27 |
| Strike from a list, in a way | 28 |
| Draw lines through | 18 |
| Strike through | 14 |
| Strike from the record | 22 |
| Scratch from a list | 19 |
| One way to eliminate text | 25 |
| Mark for deletion | 17 |
| Mark as deleted | 15 |
| Draw a cross over | 17 |
| Delete with a cross | 19 |
| Delete in a way | 16 |
| Cross off the list | 18 |
| Editor's strikes | 20 |
| Railroad switching track | 24 |
| Worthless tic-tac-toe row | 25 |
| Noughts-and-crosses line | 24 |
| Certain losing line | 19 |
| Affectionate sign-off | 21 |
| SWAK alternative | 16 |
| Hugs and kisses, in letters | 27 |
| Billet-doux closing | 19 |
| Valentine letters | 17 |
| Signs of affection | 18 |
| Lovey-dovey letters | 19 |
| Letters in love letters | 23 |
| Letters at the end of a love letter | 35 |
| Hugs and kisses, briefly | 24 |
| Fan letters? | 12 |
| Cutesy sign-off | 15 |
| Complimentary close | 19 |
| Valentine's Day card signoff (and a hint to this puzzle's theme) | 72 |
| Line on an intimate letter | 26 |
| Love letter ending | 18 |
| String of letters that might close a love letter | 48 |
| Love letter signoff | 19 |
| Letter signoff | 14 |
| Advantageousness | 16 |
| Start of an algebra problem | 27 |
| Highballs | 9 |
| The $10 million awarded to "SpaceShipOne" | 51 |
| Spaceflight award won in 2004 | 29 |
| Non-profit that hosts international technological development contests | 70 |
| $10,000,000 award won in 2004 for successful private space flight | 65 |
| Oinker who designed a commercial space shuttle? | 47 |
| Pierre's "pardon," in a txt msg? | 46 |
| Police bust of pornographic material? | 37 |
| Not for the prudish | 19 |
| Like porn | 9 |
| Too hot for TV | 14 |
| Obscene, probably | 17 |